Step 1

Add raspberries, blueberries, strawberries, and blackberries into the bottom of the slow cooker.

Step 2

Sprinkle cornstarch on top and mix gently.

Step 3

Pour cake mix on top of the berries and spread out so it covers the berries.

Step 4

Place pieces of butter on top of the cake mix and cover.

Step 5

Cook on high for 2½ to 3 hours, until the cake is fully cooked.

Step 6

Serve topped with ice cream

Step 7

Enjoy!