diff --git a/homeassistant/components/cookidoo/__init__.py b/homeassistant/components/cookidoo/__init__.py
index bff4c8123d6..2129d1d8ed5 100644
--- a/homeassistant/components/cookidoo/__init__.py
+++ b/homeassistant/components/cookidoo/__init__.py
@@ -14,7 +14,12 @@ from .const import DOMAIN
 from .coordinator import CookidooConfigEntry, CookidooDataUpdateCoordinator
 from .helpers import cookidoo_from_config_entry
 
-PLATFORMS: list[Platform] = [Platform.BUTTON, Platform.SENSOR, Platform.TODO]
+PLATFORMS: list[Platform] = [
+    Platform.BUTTON,
+    Platform.CALENDAR,
+    Platform.SENSOR,
+    Platform.TODO,
+]
 
 _LOGGER = logging.getLogger(__name__)
 
diff --git a/homeassistant/components/cookidoo/calendar.py b/homeassistant/components/cookidoo/calendar.py
new file mode 100644
index 00000000000..0035e225e8f
--- /dev/null
+++ b/homeassistant/components/cookidoo/calendar.py
@@ -0,0 +1,103 @@
+"""Calendar platform for the Cookidoo integration."""
+
+from __future__ import annotations
+
+from datetime import date, datetime, timedelta
+import logging
+
+from cookidoo_api import CookidooAuthException, CookidooException
+from cookidoo_api.types import CookidooCalendarDayRecipe
+
+from homeassistant.components.calendar import CalendarEntity, CalendarEvent
+from homeassistant.core import HomeAssistant
+from homeassistant.exceptions import HomeAssistantError
+from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
+
+from .const import DOMAIN
+from .coordinator import CookidooConfigEntry, CookidooDataUpdateCoordinator
+from .entity import CookidooBaseEntity
+
+_LOGGER = logging.getLogger(__name__)
+
+PARALLEL_UPDATES = 0
+
+
+async def async_setup_entry(
+    hass: HomeAssistant,
+    config_entry: CookidooConfigEntry,
+    async_add_entities: AddConfigEntryEntitiesCallback,
+) -> None:
+    """Set up the calendar platform for entity."""
+    coordinator = config_entry.runtime_data
+
+    async_add_entities([CookidooCalendarEntity(coordinator)])
+
+
+def recipe_to_event(day_date: date, recipe: CookidooCalendarDayRecipe) -> CalendarEvent:
+    """Convert a Cookidoo recipe to a CalendarEvent."""
+    return CalendarEvent(
+        start=day_date,
+        end=day_date + timedelta(days=1),  # All-day event
+        summary=recipe.name,
+        description=f"Total Time: {recipe.total_time}",
+    )
+
+
+class CookidooCalendarEntity(CookidooBaseEntity, CalendarEntity):
+    """A calendar entity."""
+
+    _attr_translation_key = "meal_plan"
+
+    def __init__(self, coordinator: CookidooDataUpdateCoordinator) -> None:
+        """Initialize the entity."""
+        super().__init__(coordinator)
+        assert coordinator.config_entry.unique_id
+        self._attr_unique_id = coordinator.config_entry.unique_id
+
+    @property
+    def event(self) -> CalendarEvent | None:
+        """Return the next upcoming event."""
+        if not self.coordinator.data.week_plan:
+            return None
+
+        today = date.today()
+        for day_data in self.coordinator.data.week_plan:
+            day_date = date.fromisoformat(day_data.id)
+            if day_date >= today and day_data.recipes:
+                recipe = day_data.recipes[0]
+                return recipe_to_event(day_date, recipe)
+        return None
+
+    async def _fetch_week_plan(self, week_day: date) -> list:
+        """Fetch a single Cookidoo week plan, retrying once on auth failure."""
+        try:
+            return await self.coordinator.cookidoo.get_recipes_in_calendar_week(
+                week_day
+            )
+        except CookidooAuthException:
+            await self.coordinator.cookidoo.refresh_token()
+            return await self.coordinator.cookidoo.get_recipes_in_calendar_week(
+                week_day
+            )
+        except CookidooException as e:
+            raise HomeAssistantError(
+                translation_domain=DOMAIN,
+                translation_key="calendar_fetch_failed",
+            ) from e
+
+    async def async_get_events(
+        self, hass: HomeAssistant, start_date: datetime, end_date: datetime
+    ) -> list[CalendarEvent]:
+        """Get all events in a specific time frame."""
+        events: list[CalendarEvent] = []
+        current_day = start_date.date()
+        while current_day <= end_date.date():
+            week_plan = await self._fetch_week_plan(current_day)
+            for day_data in week_plan:
+                day_date = date.fromisoformat(day_data.id)
+                if start_date.date() <= day_date <= end_date.date():
+                    events.extend(
+                        recipe_to_event(day_date, recipe) for recipe in day_data.recipes
+                    )
+            current_day += timedelta(days=7)  # Move to the next week
+        return events
diff --git a/homeassistant/components/cookidoo/coordinator.py b/homeassistant/components/cookidoo/coordinator.py
index 2ce61306afe..940c6e36f71 100644
--- a/homeassistant/components/cookidoo/coordinator.py
+++ b/homeassistant/components/cookidoo/coordinator.py
@@ -3,7 +3,7 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
-from datetime import timedelta
+from datetime import date, timedelta
 import logging
 
 from cookidoo_api import (
@@ -16,6 +16,7 @@ from cookidoo_api import (
     CookidooSubscription,
     CookidooUserInfo,
 )
+from cookidoo_api.types import CookidooCalendarDay
 
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_EMAIL
@@ -37,6 +38,7 @@ class CookidooData:
     ingredient_items: list[CookidooIngredientItem]
     additional_items: list[CookidooAdditionalItem]
     subscription: CookidooSubscription | None
+    week_plan: list[CookidooCalendarDay]
 
 
 class CookidooDataUpdateCoordinator(DataUpdateCoordinator[CookidooData]):
@@ -81,6 +83,7 @@ class CookidooDataUpdateCoordinator(DataUpdateCoordinator[CookidooData]):
             ingredient_items = await self.cookidoo.get_ingredient_items()
             additional_items = await self.cookidoo.get_additional_items()
             subscription = await self.cookidoo.get_active_subscription()
+            week_plan = await self.cookidoo.get_recipes_in_calendar_week(date.today())
         except CookidooAuthException:
             try:
                 await self.cookidoo.refresh_token()
@@ -106,4 +109,5 @@ class CookidooDataUpdateCoordinator(DataUpdateCoordinator[CookidooData]):
             ingredient_items=ingredient_items,
             additional_items=additional_items,
             subscription=subscription,
+            week_plan=week_plan,
         )
diff --git a/homeassistant/components/cookidoo/strings.json b/homeassistant/components/cookidoo/strings.json
index b05cafcbc71..5de0703dd23 100644
--- a/homeassistant/components/cookidoo/strings.json
+++ b/homeassistant/components/cookidoo/strings.json
@@ -54,6 +54,11 @@
         "name": "Clear shopping list and additional purchases"
       }
     },
+    "calendar": {
+      "meal_plan": {
+        "name": "Meal plan"
+      }
+    },
     "sensor": {
       "expires": {
         "name": "Subscription expiration date"
@@ -80,6 +85,9 @@
     "button_clear_todo_failed": {
       "message": "Failed to clear all items from the Cookidoo shopping list"
     },
+    "calendar_fetch_failed": {
+      "message": "Failed to fetch Cookidoo meal plan"
+    },
     "setup_authentication_exception": {
       "message": "Authentication failed for {email}, check your email and password"
     },
diff --git a/tests/components/cookidoo/conftest.py b/tests/components/cookidoo/conftest.py
index 7d84e7ac83e..a349fbd5c05 100644
--- a/tests/components/cookidoo/conftest.py
+++ b/tests/components/cookidoo/conftest.py
@@ -11,6 +11,7 @@ from cookidoo_api import (
     CookidooSubscription,
     CookidooUserInfo,
 )
+from cookidoo_api.types import CookidooCalendarDay, CookidooCalendarDayRecipe
 import pytest
 
 from homeassistant.components.cookidoo.const import DOMAIN
@@ -65,6 +66,21 @@ def mock_cookidoo_client() -> Generator[AsyncMock]:
         client.login.return_value = CookidooAuthResponse(
             **load_json_object_fixture("login.json", DOMAIN)
         )
+        client.get_recipes_in_calendar_week.return_value = [
+            CookidooCalendarDay(
+                id=day["id"],
+                title=day["title"],
+                recipes=[
+                    CookidooCalendarDayRecipe(
+                        id=recipe["id"],
+                        name=recipe["name"],
+                        total_time=recipe["total_time"],
+                    )
+                    for recipe in day["recipes"]
+                ],
+            )
+            for day in load_json_object_fixture("calendar_week.json", DOMAIN)["data"]
+        ]
         yield client
 
 
diff --git a/tests/components/cookidoo/fixtures/calendar_week.json b/tests/components/cookidoo/fixtures/calendar_week.json
new file mode 100644
index 00000000000..b8b1d5b6aaa
--- /dev/null
+++ b/tests/components/cookidoo/fixtures/calendar_week.json
@@ -0,0 +1,26 @@
+{
+  "data": [
+    {
+      "id": "2025-03-04",
+      "title": "2025-03-04",
+      "recipes": [
+        {
+          "id": "r1",
+          "name": "Waffles",
+          "total_time": 1500
+        }
+      ]
+    },
+    {
+      "id": "2025-03-05",
+      "title": "2025-03-05",
+      "recipes": [
+        {
+          "id": "r2",
+          "name": "Mint Tea",
+          "total_time": 1500
+        }
+      ]
+    }
+  ]
+}
diff --git a/tests/components/cookidoo/snapshots/test_calendar.ambr b/tests/components/cookidoo/snapshots/test_calendar.ambr
new file mode 100644
index 00000000000..6d1dd2bb70b
--- /dev/null
+++ b/tests/components/cookidoo/snapshots/test_calendar.ambr
@@ -0,0 +1,69 @@
+# serializer version: 1
+# name: test_calendar[calendar.cookidoo_meal_plan-entry]
+  EntityRegistryEntrySnapshot({
+    'aliases': set({
+    }),
+    'area_id': None,
+    'capabilities': None,
+    'config_entry_id': <ANY>,
+    'config_subentry_id': <ANY>,
+    'device_class': None,
+    'device_id': <ANY>,
+    'disabled_by': None,
+    'domain': 'calendar',
+    'entity_category': None,
+    'entity_id': 'calendar.cookidoo_meal_plan',
+    'has_entity_name': True,
+    'hidden_by': None,
+    'icon': None,
+    'id': <ANY>,
+    'labels': set({
+    }),
+    'name': None,
+    'options': dict({
+    }),
+    'original_device_class': None,
+    'original_icon': None,
+    'original_name': 'Meal plan',
+    'platform': 'cookidoo',
+    'previous_unique_id': None,
+    'suggested_object_id': None,
+    'supported_features': 0,
+    'translation_key': 'meal_plan',
+    'unique_id': 'sub_uuid',
+    'unit_of_measurement': None,
+  })
+# ---
+# name: test_calendar[calendar.cookidoo_meal_plan-state]
+  StateSnapshot({
+    'attributes': ReadOnlyDict({
+      'friendly_name': 'Cookidoo Meal plan',
+    }),
+    'context': <ANY>,
+    'entity_id': 'calendar.cookidoo_meal_plan',
+    'last_changed': <ANY>,
+    'last_reported': <ANY>,
+    'last_updated': <ANY>,
+    'state': 'off',
+  })
+# ---
+# name: test_get_events
+  dict({
+    'calendar.cookidoo_meal_plan': dict({
+      'events': list([
+        dict({
+          'description': 'Total Time: 1500',
+          'end': '2025-03-05',
+          'start': '2025-03-04',
+          'summary': 'Waffles',
+        }),
+        dict({
+          'description': 'Total Time: 1500',
+          'end': '2025-03-06',
+          'start': '2025-03-05',
+          'summary': 'Mint Tea',
+        }),
+      ]),
+    }),
+  })
+# ---
diff --git a/tests/components/cookidoo/snapshots/test_diagnostics.ambr b/tests/components/cookidoo/snapshots/test_diagnostics.ambr
index 3dc799c1108..dbe1197475b 100644
--- a/tests/components/cookidoo/snapshots/test_diagnostics.ambr
+++ b/tests/components/cookidoo/snapshots/test_diagnostics.ambr
@@ -27,6 +27,30 @@
         'subscription_source': 'COMMERCE',
         'type': 'REGULAR',
       }),
+      'week_plan': list([
+        dict({
+          'id': '2025-03-04',
+          'recipes': list([
+            dict({
+              'id': 'r1',
+              'name': 'Waffles',
+              'total_time': 1500,
+            }),
+          ]),
+          'title': '2025-03-04',
+        }),
+        dict({
+          'id': '2025-03-05',
+          'recipes': list([
+            dict({
+              'id': 'r2',
+              'name': 'Mint Tea',
+              'total_time': 1500,
+            }),
+          ]),
+          'title': '2025-03-05',
+        }),
+      ]),
     }),
     'entry_data': dict({
       'country': 'CH',
diff --git a/tests/components/cookidoo/test_calendar.py b/tests/components/cookidoo/test_calendar.py
new file mode 100644
index 00000000000..b86ed56e88b
--- /dev/null
+++ b/tests/components/cookidoo/test_calendar.py
@@ -0,0 +1,83 @@
+"""Test for calendar platform of the Cookidoo integration."""
+
+from collections.abc import Generator
+from datetime import UTC, datetime
+from unittest.mock import AsyncMock, patch
+
+import pytest
+from syrupy.assertion import SnapshotAssertion
+
+from homeassistant.config_entries import ConfigEntryState
+from homeassistant.const import Platform
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers import entity_registry as er
+
+from . import setup_integration
+
+from tests.common import MockConfigEntry, snapshot_platform
+
+
+@pytest.fixture(autouse=True)
+def calendar_only() -> Generator[None]:
+    """Enable only the calendar platform."""
+    with patch(
+        "homeassistant.components.cookidoo.PLATFORMS",
+        [Platform.CALENDAR],
+    ):
+        yield
+
+
+@pytest.mark.usefixtures("mock_cookidoo_client")
+async def test_calendar(
+    hass: HomeAssistant,
+    cookidoo_config_entry: MockConfigEntry,
+    snapshot: SnapshotAssertion,
+    entity_registry: er.EntityRegistry,
+) -> None:
+    """Snapshot test states of calendar platform."""
+
+    with patch("homeassistant.components.cookidoo.PLATFORMS", [Platform.CALENDAR]):
+        await setup_integration(hass, cookidoo_config_entry)
+
+    assert cookidoo_config_entry.state is ConfigEntryState.LOADED
+
+    await snapshot_platform(
+        hass, entity_registry, snapshot, cookidoo_config_entry.entry_id
+    )
+
+
+@pytest.mark.usefixtures("entity_registry_enabled_by_default")
+@pytest.mark.usefixtures("mock_cookidoo_client")
+async def test_get_events(
+    hass: HomeAssistant,
+    cookidoo_config_entry: MockConfigEntry,
+    mock_cookidoo_client: AsyncMock,
+    entity_registry: er.EntityRegistry,
+    snapshot: SnapshotAssertion,
+) -> None:
+    """Test fetching events from Cookidoo calendar."""
+
+    with patch("homeassistant.components.cookidoo.PLATFORMS", [Platform.CALENDAR]):
+        await setup_integration(hass, cookidoo_config_entry)
+
+    assert cookidoo_config_entry.state is ConfigEntryState.LOADED
+
+    entities = er.async_entries_for_config_entry(
+        entity_registry, cookidoo_config_entry.entry_id
+    )
+    assert len(entities) == 1
+    entity_id = entities[0].entity_id
+
+    resp = await hass.services.async_call(
+        "calendar",
+        "get_events",
+        {
+            "start_date_time": datetime(2025, 3, 4, tzinfo=UTC),
+            "end_date_time": datetime(2025, 3, 6, tzinfo=UTC),
+        },
+        target={"entity_id": entity_id},
+        blocking=True,
+        return_response=True,
+    )
+
+    assert resp == snapshot