diff --git a/homeassistant/components/kitchen_sink/__init__.py b/homeassistant/components/kitchen_sink/__init__.py
index b2d4c4cbcc5..db7cb8d4b48 100644
--- a/homeassistant/components/kitchen_sink/__init__.py
+++ b/homeassistant/components/kitchen_sink/__init__.py
@@ -15,9 +15,9 @@ from homeassistant.components.recorder.statistics import (
     async_import_statistics,
     get_last_statistics,
 )
+from homeassistant.config_entries import SOURCE_IMPORT, ConfigEntry
 from homeassistant.const import Platform, UnitOfEnergy, UnitOfTemperature, UnitOfVolume
 from homeassistant.core import HomeAssistant
-from homeassistant.helpers.discovery import async_load_platform
 from homeassistant.helpers.issue_registry import IssueSeverity, async_create_issue
 from homeassistant.helpers.typing import ConfigType
 import homeassistant.util.dt as dt_util
@@ -32,9 +32,20 @@ COMPONENTS_WITH_DEMO_PLATFORM = [
 
 async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the demo environment."""
-    # Set up demo platforms
-    for platform in COMPONENTS_WITH_DEMO_PLATFORM:
-        hass.async_create_task(async_load_platform(hass, platform, DOMAIN, {}, config))
+    hass.async_create_task(
+        hass.config_entries.flow.async_init(
+            DOMAIN, context={"source": SOURCE_IMPORT}, data={}
+        )
+    )
+    return True
+
+
+async def async_setup_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
+    """Set the config entry up."""
+    # Set up demo platforms with config entry
+    await hass.config_entries.async_forward_entry_setups(
+        config_entry, COMPONENTS_WITH_DEMO_PLATFORM
+    )
 
     # Create issues
     _create_issues(hass)
diff --git a/homeassistant/components/kitchen_sink/config_flow.py b/homeassistant/components/kitchen_sink/config_flow.py
new file mode 100644
index 00000000000..ded2b84e31c
--- /dev/null
+++ b/homeassistant/components/kitchen_sink/config_flow.py
@@ -0,0 +1,22 @@
+"""Config flow to configure the Kitchen Sink component."""
+from __future__ import annotations
+
+from typing import Any
+
+from homeassistant import config_entries
+from homeassistant.data_entry_flow import FlowResult
+
+from . import DOMAIN
+
+
+class KitchenSinkConfigFlow(config_entries.ConfigFlow, domain=DOMAIN):
+    """Kitchen Sink configuration flow."""
+
+    VERSION = 1
+
+    async def async_step_import(self, import_info: dict[str, Any]) -> FlowResult:
+        """Set the config entry up from yaml."""
+        if self._async_current_entries():
+            return self.async_abort(reason="single_instance_allowed")
+
+        return self.async_create_entry(title="Kitchen Sink", data=import_info)
diff --git a/homeassistant/components/kitchen_sink/sensor.py b/homeassistant/components/kitchen_sink/sensor.py
index b6806b02115..6692f53810b 100644
--- a/homeassistant/components/kitchen_sink/sensor.py
+++ b/homeassistant/components/kitchen_sink/sensor.py
@@ -11,18 +11,17 @@ from homeassistant.const import ATTR_BATTERY_LEVEL, UnitOfPower
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
-from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType, StateType
+from homeassistant.helpers.typing import StateType
 
 from . import DOMAIN
 
 
-async def async_setup_platform(
+async def async_setup_entry(
     hass: HomeAssistant,
-    config: ConfigType,
+    config_entry: ConfigEntry,
     async_add_entities: AddEntitiesCallback,
-    discovery_info: DiscoveryInfoType | None = None,
 ) -> None:
-    """Set up the Demo sensors."""
+    """Set up the Everything but the Kitchen Sink config entry."""
     async_add_entities(
         [
             DemoSensor(
@@ -56,15 +55,6 @@ async def async_setup_platform(
     )
 
 
-async def async_setup_entry(
-    hass: HomeAssistant,
-    config_entry: ConfigEntry,
-    async_add_entities: AddEntitiesCallback,
-) -> None:
-    """Set up the Everything but the Kitchen Sink config entry."""
-    await async_setup_platform(hass, {}, async_add_entities)
-
-
 class DemoSensor(SensorEntity):
     """Representation of a Demo sensor."""
 
diff --git a/tests/components/kitchen_sink/test_config_flow.py b/tests/components/kitchen_sink/test_config_flow.py
new file mode 100644
index 00000000000..9a499a2e579
--- /dev/null
+++ b/tests/components/kitchen_sink/test_config_flow.py
@@ -0,0 +1,46 @@
+"""Test the Everything but the Kitchen Sink config flow."""
+from unittest.mock import patch
+
+from homeassistant import config_entries, data_entry_flow, setup
+from homeassistant.components.kitchen_sink import DOMAIN
+
+
+async def test_import(hass):
+    """Test that we can import a config entry."""
+    with patch("homeassistant.components.kitchen_sink.async_setup_entry"):
+        assert await setup.async_setup_component(hass, DOMAIN, {DOMAIN: {}})
+        await hass.async_block_till_done()
+
+    assert len(hass.config_entries.async_entries(DOMAIN)) == 1
+    entry = hass.config_entries.async_entries(DOMAIN)[0]
+    assert entry.data == {}
+
+
+async def test_import_once(hass):
+    """Test that we don't create multiple config entries."""
+    with patch(
+        "homeassistant.components.kitchen_sink.async_setup_entry"
+    ) as mock_setup_entry:
+        result = await hass.config_entries.flow.async_init(
+            DOMAIN,
+            context={"source": config_entries.SOURCE_IMPORT},
+            data={},
+        )
+    assert result["type"] == data_entry_flow.FlowResultType.CREATE_ENTRY
+    assert result["title"] == "Kitchen Sink"
+    assert result["data"] == {}
+    assert result["options"] == {}
+    mock_setup_entry.assert_called_once()
+
+    # Test importing again doesn't create a 2nd entry
+    with patch(
+        "homeassistant.components.kitchen_sink.async_setup_entry"
+    ) as mock_setup_entry:
+        result = await hass.config_entries.flow.async_init(
+            DOMAIN,
+            context={"source": config_entries.SOURCE_IMPORT},
+            data={},
+        )
+    assert result["type"] == data_entry_flow.FlowResultType.ABORT
+    assert result["reason"] == "single_instance_allowed"
+    mock_setup_entry.assert_not_called()