diff --git a/frontend/components/Domain/Recipe/RecipeDialogAddToShoppingList.vue b/frontend/components/Domain/Recipe/RecipeDialogAddToShoppingList.vue
index 6f233b84f..0aae51731 100644
--- a/frontend/components/Domain/Recipe/RecipeDialogAddToShoppingList.vue
+++ b/frontend/components/Domain/Recipe/RecipeDialogAddToShoppingList.vue
@@ -138,8 +138,8 @@ import RecipeIngredientListItem from "./RecipeIngredientListItem.vue";
 import { useUserApi } from "~/composables/api";
 import { alert } from "~/composables/use-toast";
 import { useShoppingListPreferences } from "~/composables/use-users/preferences";
-import { ShoppingListSummary } from "~/lib/api/types/household";
-import { Recipe, RecipeIngredient } from "~/lib/api/types/recipe";
+import { RecipeIngredient, ShoppingListAddRecipeParamsBulk, ShoppingListSummary } from "~/lib/api/types/household";
+import { Recipe } from "~/lib/api/types/recipe";
 
 export interface RecipeWithScale extends Recipe {
   scale: number;
@@ -342,12 +342,12 @@ export default defineComponent({
     }
 
     async function addRecipesToList() {
-      const promises: Promise<any>[] = [];
-      recipeIngredientSections.value.forEach((section) => {
-        if (!selectedShoppingList.value) {
-          return;
-        }
+      if (!selectedShoppingList.value) {
+        return;
+      }
 
+      const recipeData: ShoppingListAddRecipeParamsBulk[] = [];
+      recipeIngredientSections.value.forEach((section) => {
         const ingredients: RecipeIngredient[] = [];
         section.ingredientSections.forEach((ingSection) => {
           ingSection.ingredients.forEach((ing) => {
@@ -361,24 +361,18 @@ export default defineComponent({
           return;
         }
 
-        promises.push(api.shopping.lists.addRecipe(
-          selectedShoppingList.value.id,
-          section.recipeId,
-          section.recipeScale,
-          ingredients,
-        ));
+        recipeData.push(
+          {
+            recipeId: section.recipeId,
+            recipeIncrementQuantity: section.recipeScale,
+            recipeIngredients: ingredients,
+          }
+        );
       });
 
-      let success = true;
-      const results = await Promise.allSettled(promises);
-      results.forEach((result) => {
-        if (result.status === "rejected") {
-          success = false;
-        }
-      })
-
-      success ? alert.success(i18n.tc("recipe.successfully-added-to-list"))
-      : alert.error(i18n.tc("failed-to-add-recipes-to-list"))
+      const { error } = await api.shopping.lists.addRecipes(selectedShoppingList.value.id, recipeData);
+      error ? alert.error(i18n.tc("recipe.failed-to-add-recipes-to-list"))
+      : alert.success(i18n.tc("recipe.successfully-added-to-list"));
 
       state.shoppingListDialog = false;
       state.shoppingListIngredientDialog = false;
diff --git a/frontend/lib/api/types/household.ts b/frontend/lib/api/types/household.ts
index e0340a1d3..4291af758 100644
--- a/frontend/lib/api/types/household.ts
+++ b/frontend/lib/api/types/household.ts
@@ -391,6 +391,11 @@ export interface CreateIngredientFoodAlias {
   name: string;
   [k: string]: unknown;
 }
+export interface ShoppingListAddRecipeParamsBulk {
+  recipeIncrementQuantity?: number;
+  recipeIngredients?: RecipeIngredient[] | null;
+  recipeId: string;
+}
 export interface ShoppingListCreate {
   name?: string | null;
   extras?: {
diff --git a/frontend/lib/api/types/recipe.ts b/frontend/lib/api/types/recipe.ts
index 036c43f8c..a526e602e 100644
--- a/frontend/lib/api/types/recipe.ts
+++ b/frontend/lib/api/types/recipe.ts
@@ -291,6 +291,7 @@ export interface UserBase {
   id: string;
   username?: string | null;
   admin: boolean;
+  fullName?: string | null;
 }
 export interface RecipeCategoryResponse {
   name: string;
diff --git a/frontend/lib/api/user/group-shopping-lists.ts b/frontend/lib/api/user/group-shopping-lists.ts
index 807073ef2..1eccb05f7 100644
--- a/frontend/lib/api/user/group-shopping-lists.ts
+++ b/frontend/lib/api/user/group-shopping-lists.ts
@@ -1,7 +1,7 @@
 import { BaseCRUDAPI } from "../base/base-clients";
-import { RecipeIngredient } from "../types/recipe";
 import { ApiRequestInstance } from "~/lib/api/types/non-generated";
 import {
+  ShoppingListAddRecipeParamsBulk,
   ShoppingListCreate,
   ShoppingListItemCreate,
   ShoppingListItemOut,
@@ -16,7 +16,7 @@ const prefix = "/api";
 const routes = {
   shoppingLists: `${prefix}/households/shopping/lists`,
   shoppingListsId: (id: string) => `${prefix}/households/shopping/lists/${id}`,
-  shoppingListIdAddRecipe: (id: string, recipeId: string) => `${prefix}/households/shopping/lists/${id}/recipe/${recipeId}`,
+  shoppingListIdAddRecipe: (id: string) => `${prefix}/households/shopping/lists/${id}/recipe`,
   shoppingListIdRemoveRecipe: (id: string, recipeId: string) => `${prefix}/households/shopping/lists/${id}/recipe/${recipeId}/delete`,
   shoppingListIdUpdateLabelSettings: (id: string) => `${prefix}/households/shopping/lists/${id}/label-settings`,
 
@@ -29,8 +29,8 @@ export class ShoppingListsApi extends BaseCRUDAPI<ShoppingListCreate, ShoppingLi
   baseRoute = routes.shoppingLists;
   itemRoute = routes.shoppingListsId;
 
-  async addRecipe(itemId: string, recipeId: string, recipeIncrementQuantity = 1, recipeIngredients: RecipeIngredient[] | null = null) {
-    return await this.requests.post(routes.shoppingListIdAddRecipe(itemId, recipeId), { recipeIncrementQuantity, recipeIngredients });
+  async addRecipes(itemId: string, data: ShoppingListAddRecipeParamsBulk[]) {
+    return await this.requests.post(routes.shoppingListIdAddRecipe(itemId), data);
   }
 
   async removeRecipe(itemId: string, recipeId: string, recipeDecrementQuantity = 1) {
diff --git a/frontend/pages/shopping-lists/_id.vue b/frontend/pages/shopping-lists/_id.vue
index 4b905c3a7..62a8c4407 100644
--- a/frontend/pages/shopping-lists/_id.vue
+++ b/frontend/pages/shopping-lists/_id.vue
@@ -834,7 +834,7 @@ export default defineComponent({
 
       loadingCounter.value += 1;
       recipeReferenceLoading.value = true;
-      const { data } = await userApi.shopping.lists.addRecipe(shoppingList.value.id, recipeId);
+      const { data } = await userApi.shopping.lists.addRecipes(shoppingList.value.id, [{ recipeId }]);
       recipeReferenceLoading.value = false;
       loadingCounter.value -= 1;
 
diff --git a/mealie/routes/households/controller_shopping_lists.py b/mealie/routes/households/controller_shopping_lists.py
index e60b3369d..0ed2adff4 100644
--- a/mealie/routes/households/controller_shopping_lists.py
+++ b/mealie/routes/households/controller_shopping_lists.py
@@ -9,6 +9,7 @@ from mealie.routes._base.controller import controller
 from mealie.routes._base.mixins import HttpRepo
 from mealie.schema.household.group_shopping_list import (
     ShoppingListAddRecipeParams,
+    ShoppingListAddRecipeParamsBulk,
     ShoppingListCreate,
     ShoppingListItemCreate,
     ShoppingListItemOut,
@@ -252,17 +253,24 @@ class ShoppingListController(BaseCrudController):
 
         return updated_list
 
-    @router.post("/{item_id}/recipe/{recipe_id}", response_model=ShoppingListOut)
-    def add_recipe_ingredients_to_list(
-        self, item_id: UUID4, recipe_id: UUID4, data: ShoppingListAddRecipeParams | None = None
-    ):
-        shopping_list, items = self.service.add_recipe_ingredients_to_list(
-            item_id, recipe_id, data.recipe_increment_quantity if data else 1, data.recipe_ingredients if data else None
-        )
+    @router.post("/{item_id}/recipe", response_model=ShoppingListOut)
+    def add_recipe_ingredients_to_list(self, item_id: UUID4, data: list[ShoppingListAddRecipeParamsBulk]):
+        shopping_list, items = self.service.add_recipe_ingredients_to_list(item_id, data)
 
         publish_list_item_events(self.publish_event, items)
         return shopping_list
 
+    @router.post("/{item_id}/recipe/{recipe_id}", response_model=ShoppingListOut, deprecated=True)
+    def add_single_recipe_ingredients_to_list(
+        self, item_id: UUID4, recipe_id: UUID4, data: ShoppingListAddRecipeParams | None = None
+    ):
+        # Compatibility function for old API
+        # TODO: remove this function in the future
+
+        data = data or ShoppingListAddRecipeParams(recipe_increment_quantity=1)
+        bulk_data = [data.cast(ShoppingListAddRecipeParamsBulk, recipe_id=recipe_id)]
+        return self.add_recipe_ingredients_to_list(item_id, bulk_data)
+
     @router.post("/{item_id}/recipe/{recipe_id}/delete", response_model=ShoppingListOut)
     def remove_recipe_ingredients_from_list(
         self, item_id: UUID4, recipe_id: UUID4, data: ShoppingListRemoveRecipeParams | None = None
diff --git a/mealie/schema/household/__init__.py b/mealie/schema/household/__init__.py
index 281836a88..1fcc7bb25 100644
--- a/mealie/schema/household/__init__.py
+++ b/mealie/schema/household/__init__.py
@@ -20,6 +20,7 @@ from .group_recipe_action import (
 )
 from .group_shopping_list import (
     ShoppingListAddRecipeParams,
+    ShoppingListAddRecipeParamsBulk,
     ShoppingListCreate,
     ShoppingListItemBase,
     ShoppingListItemCreate,
@@ -113,6 +114,7 @@ __all__ = [
     "ReadInviteToken",
     "SaveInviteToken",
     "ShoppingListAddRecipeParams",
+    "ShoppingListAddRecipeParamsBulk",
     "ShoppingListCreate",
     "ShoppingListItemBase",
     "ShoppingListItemCreate",
diff --git a/mealie/schema/household/group_shopping_list.py b/mealie/schema/household/group_shopping_list.py
index 47dbf610c..2063b6909 100644
--- a/mealie/schema/household/group_shopping_list.py
+++ b/mealie/schema/household/group_shopping_list.py
@@ -292,5 +292,9 @@ class ShoppingListAddRecipeParams(MealieModel):
     """optionally override which ingredients are added from the recipe"""
 
 
+class ShoppingListAddRecipeParamsBulk(ShoppingListAddRecipeParams):
+    recipe_id: UUID4
+
+
 class ShoppingListRemoveRecipeParams(MealieModel):
     recipe_decrement_quantity: float = 1
diff --git a/mealie/services/household_services/shopping_lists.py b/mealie/services/household_services/shopping_lists.py
index c0046fc31..b7ba8bb28 100644
--- a/mealie/services/household_services/shopping_lists.py
+++ b/mealie/services/household_services/shopping_lists.py
@@ -5,6 +5,7 @@ from pydantic import UUID4
 from mealie.core.exceptions import UnexpectedNone
 from mealie.repos.repository_factory import AllRepositories
 from mealie.schema.household.group_shopping_list import (
+    ShoppingListAddRecipeParamsBulk,
     ShoppingListCreate,
     ShoppingListItemBase,
     ShoppingListItemCreate,
@@ -135,11 +136,11 @@ class ShoppingListService:
         consolidated_create_items: list[ShoppingListItemCreate] = []
         for create_item in create_items:
             merged = False
-            for filtered_item in consolidated_create_items:
+            for i, filtered_item in enumerate(consolidated_create_items):
                 if not self.can_merge(create_item, filtered_item):
                     continue
 
-                filtered_item = self.merge_items(create_item, filtered_item).cast(ShoppingListItemCreate)
+                consolidated_create_items[i] = self.merge_items(create_item, filtered_item).cast(ShoppingListItemCreate)
                 merged = True
                 break
 
@@ -207,11 +208,11 @@ class ShoppingListService:
             seen_update_ids.add(update_item.id)
 
             merged = False
-            for filtered_item in consolidated_update_items:
+            for i, filtered_item in enumerate(consolidated_update_items):
                 if not self.can_merge(update_item, filtered_item):
                     continue
 
-                filtered_item = self.merge_items(update_item, filtered_item).cast(
+                consolidated_update_items[i] = self.merge_items(update_item, filtered_item).cast(
                     ShoppingListItemUpdateBulk, id=filtered_item.id
                 )
                 delete_items.add(update_item.id)
@@ -373,38 +374,43 @@ class ShoppingListService:
     def add_recipe_ingredients_to_list(
         self,
         list_id: UUID4,
-        recipe_id: UUID4,
-        recipe_increment: float = 1,
-        recipe_ingredients: list[RecipeIngredient] | None = None,
+        recipe_items: list[ShoppingListAddRecipeParamsBulk],
     ) -> tuple[ShoppingListOut, ShoppingListItemsCollectionOut]:
         """
-        Adds a recipe's ingredients to a list
+        Adds recipe ingredients to a list
 
         Returns a tuple of:
         - Updated Shopping List
         - Impacted Shopping List Items
         """
 
-        items_to_create = self.get_shopping_list_items_from_recipe(
-            list_id, recipe_id, recipe_increment, recipe_ingredients
-        )
+        items_to_create = [
+            item
+            for recipe in recipe_items
+            for item in self.get_shopping_list_items_from_recipe(
+                list_id, recipe.recipe_id, recipe.recipe_increment_quantity, recipe.recipe_ingredients
+            )
+        ]
         item_changes = self.bulk_create_items(items_to_create)
-
         updated_list = cast(ShoppingListOut, self.shopping_lists.get_one(list_id))
 
-        ref_merged = False
-        for ref in updated_list.recipe_references:
-            if ref.recipe_id != recipe_id:
-                continue
+        # update list-level recipe references
+        for recipe in recipe_items:
+            ref_merged = False
+            for ref in updated_list.recipe_references:
+                if ref.recipe_id != recipe.recipe_id:
+                    continue
 
-            ref.recipe_quantity += recipe_increment
-            ref_merged = True
-            break
+                ref.recipe_quantity += recipe.recipe_increment_quantity
+                ref_merged = True
+                break
 
-        if not ref_merged:
-            updated_list.recipe_references.append(
-                ShoppingListItemRecipeRefCreate(recipe_id=recipe_id, recipe_quantity=recipe_increment)  # type: ignore
-            )
+            if not ref_merged:
+                updated_list.recipe_references.append(
+                    ShoppingListItemRecipeRefCreate(
+                        recipe_id=recipe.recipe_id, recipe_quantity=recipe.recipe_increment_quantity
+                    )
+                )
 
         updated_list = self.shopping_lists.update(updated_list.id, updated_list)
         return updated_list, item_changes
diff --git a/tests/fixtures/fixture_recipe.py b/tests/fixtures/fixture_recipe.py
index 90cde0437..7d8f57c25 100644
--- a/tests/fixtures/fixture_recipe.py
+++ b/tests/fixtures/fixture_recipe.py
@@ -54,6 +54,37 @@ def recipe_ingredient_only(unique_user: TestUser):
         database.recipes.delete(model.slug)
 
 
+@fixture(scope="function")
+def recipes_ingredient_only(unique_user: TestUser):
+    database = unique_user.repos
+    recipes: list[Recipe] = []
+
+    for _ in range(3):
+        # Create a recipe
+        recipe = Recipe(
+            user_id=unique_user.user_id,
+            group_id=unique_user.group_id,
+            name=random_string(10),
+            recipe_ingredient=[
+                RecipeIngredient(note=f"Ingredient 1 {random_string(5)}"),
+                RecipeIngredient(note=f"Ingredient 2 {random_string(5)}"),
+                RecipeIngredient(note=f"Ingredient 3 {random_string(5)}"),
+                RecipeIngredient(note=f"Ingredient 4 {random_string(5)}"),
+                RecipeIngredient(note=f"Ingredient 5 {random_string(5)}"),
+                RecipeIngredient(note=f"Ingredient 6 {random_string(5)}"),
+            ],
+        )
+
+        model = database.recipes.create(recipe)
+        recipes.append(model)
+
+    yield recipes
+
+    with contextlib.suppress(sqlalchemy.exc.NoResultFound):
+        for recipe in recipes:
+            database.recipes.delete(recipe.slug)
+
+
 @fixture(scope="function")
 def recipe_categories(unique_user: TestUser) -> Generator[list[CategoryOut], None, None]:
     database = unique_user.repos
diff --git a/tests/integration_tests/user_household_tests/test_group_shopping_list_items.py b/tests/integration_tests/user_household_tests/test_group_shopping_list_items.py
index 4685b9d72..83aaf8d85 100644
--- a/tests/integration_tests/user_household_tests/test_group_shopping_list_items.py
+++ b/tests/integration_tests/user_household_tests/test_group_shopping_list_items.py
@@ -6,7 +6,6 @@ import pytest
 from fastapi.testclient import TestClient
 from pydantic import UUID4
 
-from mealie.repos.repository_factory import AllRepositories
 from mealie.schema.household.group_shopping_list import ShoppingListItemOut, ShoppingListOut
 from mealie.schema.recipe.recipe_ingredient import SaveIngredientFood
 from tests import utils
diff --git a/tests/integration_tests/user_household_tests/test_group_shopping_lists.py b/tests/integration_tests/user_household_tests/test_group_shopping_lists.py
index 822f07e38..93dc976d5 100644
--- a/tests/integration_tests/user_household_tests/test_group_shopping_lists.py
+++ b/tests/integration_tests/user_household_tests/test_group_shopping_lists.py
@@ -3,6 +3,7 @@ import random
 from fastapi.testclient import TestClient
 
 from mealie.schema.household.group_shopping_list import (
+    ShoppingListAddRecipeParamsBulk,
     ShoppingListItemOut,
     ShoppingListItemUpdate,
     ShoppingListItemUpdateBulk,
@@ -171,6 +172,78 @@ def test_shopping_lists_add_recipe(
     assert refs[0]["recipeQuantity"] == 2
 
 
+def test_shopping_lists_add_recipes(
+    api_client: TestClient,
+    unique_user: TestUser,
+    shopping_lists: list[ShoppingListOut],
+    recipes_ingredient_only: list[Recipe],
+):
+    sample_list = random.choice(shopping_lists)
+    recipes = recipes_ingredient_only
+    all_ingredients = [ingredient for recipe in recipes for ingredient in recipe.recipe_ingredient]
+
+    recipes_post_data = utils.jsonify(
+        [ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id).model_dump() for recipe in recipes]
+    )
+    response = api_client.post(
+        api_routes.households_shopping_lists_item_id_recipe(sample_list.id),
+        json=recipes_post_data,
+        headers=unique_user.token,
+    )
+    assert response.status_code == 200
+
+    # get list and verify items against ingredients
+    response = api_client.get(
+        api_routes.households_shopping_lists_item_id(sample_list.id),
+        headers=unique_user.token,
+    )
+    as_json = utils.assert_deserialize(response, 200)
+    assert len(as_json["listItems"]) == len(all_ingredients)
+
+    known_ingredients = {ingredient.note: ingredient for ingredient in all_ingredients}
+    for item in as_json["listItems"]:
+        assert item["note"] in known_ingredients
+
+        ingredient = known_ingredients[item["note"]]
+        assert item["quantity"] == (ingredient.quantity or 0)
+
+    # check recipe reference was added with quantity 1
+    refs = as_json["recipeReferences"]
+    assert len(refs) == len(recipes)
+    refs_by_id = {ref["recipeId"]: ref for ref in refs}
+    for recipe in recipes:
+        assert str(recipe.id) in refs_by_id
+        assert refs_by_id[str(recipe.id)]["recipeQuantity"] == 1
+
+    # add the recipes again and check the resulting items
+    response = api_client.post(
+        api_routes.households_shopping_lists_item_id_recipe(sample_list.id),
+        json=recipes_post_data,
+        headers=unique_user.token,
+    )
+    assert response.status_code == 200
+
+    response = api_client.get(
+        api_routes.households_shopping_lists_item_id(sample_list.id),
+        headers=unique_user.token,
+    )
+    as_json = utils.assert_deserialize(response, 200)
+    assert len(as_json["listItems"]) == len(all_ingredients)
+
+    for item in as_json["listItems"]:
+        assert item["note"] in known_ingredients
+
+        ingredient = known_ingredients[item["note"]]
+        assert item["quantity"] == (ingredient.quantity or 0) * 2
+
+    refs = as_json["recipeReferences"]
+    assert len(refs) == len(recipes)
+    refs_by_id = {ref["recipeId"]: ref for ref in refs}
+    for recipe in recipes:
+        assert str(recipe.id) in refs_by_id
+        assert refs_by_id[str(recipe.id)]["recipeQuantity"] == 2
+
+
 def test_shopping_lists_add_one_with_zero_quantity(
     api_client: TestClient,
     unique_user: TestUser,
@@ -209,7 +282,8 @@ def test_shopping_lists_add_one_with_zero_quantity(
 
     # add the recipe to the list and make sure there are three list items
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(shopping_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(shopping_list.id),
+        json=utils.jsonify([ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id).model_dump()]),
         headers=unique_user.token,
     )
 
@@ -242,16 +316,19 @@ def test_shopping_lists_add_custom_recipe_items(
     recipe = recipe_ingredient_only
 
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(sample_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(sample_list.id),
+        json=utils.jsonify([ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id).model_dump()]),
         headers=unique_user.token,
     )
     assert response.status_code == 200
 
     custom_items = random.sample(recipe_ingredient_only.recipe_ingredient, k=3)
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(sample_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(sample_list.id),
+        json=utils.jsonify(
+            [ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id, recipe_ingredients=custom_items).model_dump()]
+        ),
         headers=unique_user.token,
-        json={"recipeIngredients": utils.jsonify(custom_items)},
     )
     assert response.status_code == 200
 
@@ -291,7 +368,8 @@ def test_shopping_list_ref_removes_itself(
     # add a recipe to a list, then check off all recipe items and make sure the recipe ref is deleted
     recipe = recipe_ingredient_only
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(shopping_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(shopping_list.id),
+        json=utils.jsonify([ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id).model_dump()]),
         headers=unique_user.token,
     )
     utils.assert_deserialize(response, 200)
@@ -365,7 +443,8 @@ def test_shopping_lists_add_recipe_with_merge(
 
     # add the recipe to the list and make sure there are only three list items, and their quantities/refs are correct
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(shopping_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(shopping_list.id),
+        json=utils.jsonify([ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id).model_dump()]),
         headers=unique_user.token,
     )
 
@@ -403,6 +482,85 @@ def test_shopping_lists_add_recipe_with_merge(
     assert all([found_item_1, found_item_2, found_duplicate_item])
 
 
+def test_shopping_lists_add_recipes_with_merge(
+    api_client: TestClient,
+    unique_user: TestUser,
+    shopping_lists: list[ShoppingListOut],
+):
+    shopping_list = random.choice(shopping_lists)
+
+    # build two recipes that share an ingredient
+    recipes: list[Recipe] = []
+    common_note = random_string()
+    for _ in range(2):
+        response = api_client.post(api_routes.recipes, json={"name": random_string()}, headers=unique_user.token)
+        recipe_slug = utils.assert_deserialize(response, 201)
+
+        response = api_client.get(f"{api_routes.recipes}/{recipe_slug}", headers=unique_user.token)
+        recipe_data = utils.assert_deserialize(response, 200)
+
+        ingredient_unique = {"quantity": 1, "note": random_string()}
+        ingredient_duplicate = {"quantity": 1, "note": common_note}
+
+        recipe_data["recipeIngredient"] = [ingredient_unique, ingredient_duplicate]
+        response = api_client.put(
+            f"{api_routes.recipes}/{recipe_slug}",
+            json=recipe_data,
+            headers=unique_user.token,
+        )
+        utils.assert_deserialize(response, 200)
+
+        recipe = Recipe.model_validate_json(
+            api_client.get(f"{api_routes.recipes}/{recipe_slug}", headers=unique_user.token).content
+        )
+        assert recipe.id
+        assert len(recipe.recipe_ingredient) == 2
+        recipes.append(recipe)
+
+    # add the recipes to the list and make sure there are only five list items, and their quantities/refs are correct
+    response = api_client.post(
+        api_routes.households_shopping_lists_item_id_recipe(shopping_list.id),
+        json=utils.jsonify([ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id).model_dump() for recipe in recipes]),
+        headers=unique_user.token,
+    )
+
+    response = api_client.get(
+        api_routes.households_shopping_lists_item_id(shopping_list.id),
+        headers=unique_user.token,
+    )
+    shopping_list_out = ShoppingListOut.model_validate(utils.assert_deserialize(response, 200))
+
+    assert len(shopping_list_out.list_items) == 3
+
+    found_recipe_1_item = False
+    found_recipe_2_item = False
+    found_duplicate_item = False
+    for list_item in shopping_list_out.list_items:
+        if list_item.note == common_note:
+            assert list_item.quantity == 2
+            assert len(list_item.recipe_references) == 2
+            assert {ref.recipe_id for ref in list_item.recipe_references} == {recipe.id for recipe in recipes}
+            found_duplicate_item = True
+
+        else:
+            assert len(list_item.recipe_references) == 1
+            assert list_item.quantity == 1
+            if list_item.note == recipes[0].recipe_ingredient[0].note:
+                assert list_item.recipe_references[0].recipe_id == recipes[0].id
+                found_recipe_1_item = True
+            elif list_item.note == recipes[1].recipe_ingredient[0].note:
+                assert list_item.recipe_references[0].recipe_id == recipes[1].id
+                found_recipe_2_item = True
+            else:
+                raise Exception("Unexpected item")
+
+        for ref in list_item.recipe_references:
+            assert ref.recipe_scale == 1
+            assert ref.recipe_quantity == 1
+
+    assert all([found_recipe_1_item, found_recipe_2_item, found_duplicate_item])
+
+
 def test_shopping_list_add_recipe_scale(
     api_client: TestClient,
     unique_user: TestUser,
@@ -413,7 +571,8 @@ def test_shopping_list_add_recipe_scale(
     recipe = recipe_ingredient_only
 
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(sample_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(sample_list.id),
+        json=utils.jsonify([ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id).model_dump()]),
         headers=unique_user.token,
     )
 
@@ -440,10 +599,12 @@ def test_shopping_list_add_recipe_scale(
         assert refs[0]["recipeScale"] == 1
 
     recipe_scale = round(random.uniform(1, 10), 5)
-    payload = {"recipeIncrementQuantity": recipe_scale}
+    payload = utils.jsonify(
+        [ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id, recipe_increment_quantity=recipe_scale).model_dump()]
+    )
 
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(sample_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(sample_list.id),
         headers=unique_user.token,
         json=payload,
     )
@@ -476,9 +637,11 @@ def test_shopping_lists_remove_recipe(
     recipe = recipe_ingredient_only
 
     # add two instances of the recipe
-    payload = {"recipeIncrementQuantity": 2}
+    payload = utils.jsonify(
+        [ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id, recipe_increment_quantity=2).model_dump()]
+    )
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(sample_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(sample_list.id),
         json=payload,
         headers=unique_user.token,
     )
@@ -539,7 +702,8 @@ def test_shopping_lists_remove_recipe_multiple_quantity(
 
     for _ in range(3):
         response = api_client.post(
-            api_routes.households_shopping_lists_item_id_recipe_recipe_id(sample_list.id, recipe.id),
+            api_routes.households_shopping_lists_item_id_recipe(sample_list.id),
+            json=utils.jsonify([ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id).model_dump()]),
             headers=unique_user.token,
         )
         assert response.status_code == 200
@@ -592,11 +756,17 @@ def test_shopping_list_remove_recipe_scale(
     recipe = recipe_ingredient_only
 
     recipe_initital_scale = 100
-    payload: dict = {"recipeIncrementQuantity": recipe_initital_scale}
+    payload = utils.jsonify(
+        [
+            ShoppingListAddRecipeParamsBulk(
+                recipe_id=recipe.id, recipe_increment_quantity=recipe_initital_scale
+            ).model_dump()
+        ]
+    )
 
     # first add a bunch of quantity to the list
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(sample_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(sample_list.id),
         headers=unique_user.token,
         json=payload,
     )
@@ -657,11 +827,13 @@ def test_recipe_decrement_max(
     recipe = recipe_ingredient_only
 
     recipe_scale = 10
-    payload = {"recipeIncrementQuantity": recipe_scale}
+    payload = utils.jsonify(
+        [ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id, recipe_increment_quantity=recipe_scale).model_dump()]
+    )
 
     # first add a bunch of quantity to the list
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(sample_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(sample_list.id),
         headers=unique_user.token,
         json=payload,
     )
@@ -757,13 +929,15 @@ def test_recipe_manipulation_with_zero_quantities(
 
     # add the recipe to the list twice and make sure the quantity is still zero
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(shopping_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(shopping_list.id),
+        json=utils.jsonify([ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id).model_dump()]),
         headers=unique_user.token,
     )
     utils.assert_deserialize(response, 200)
 
     response = api_client.post(
-        api_routes.households_shopping_lists_item_id_recipe_recipe_id(shopping_list.id, recipe.id),
+        api_routes.households_shopping_lists_item_id_recipe(shopping_list.id),
+        json=utils.jsonify([ShoppingListAddRecipeParamsBulk(recipe_id=recipe.id).model_dump()]),
         headers=unique_user.token,
     )
     utils.assert_deserialize(response, 200)
diff --git a/tests/utils/api_routes/__init__.py b/tests/utils/api_routes/__init__.py
index c4db84795..02aee25c9 100644
--- a/tests/utils/api_routes/__init__.py
+++ b/tests/utils/api_routes/__init__.py
@@ -390,6 +390,11 @@ def households_shopping_lists_item_id_label_settings(item_id):
     return f"{prefix}/households/shopping/lists/{item_id}/label-settings"
 
 
+def households_shopping_lists_item_id_recipe(item_id):
+    """`/api/households/shopping/lists/{item_id}/recipe`"""
+    return f"{prefix}/households/shopping/lists/{item_id}/recipe"
+
+
 def households_shopping_lists_item_id_recipe_recipe_id(item_id, recipe_id):
     """`/api/households/shopping/lists/{item_id}/recipe/{recipe_id}`"""
     return f"{prefix}/households/shopping/lists/{item_id}/recipe/{recipe_id}"