Apple Pie Coffee Cake

Apple Mixture:

1 - 20 ounce can apple pie filling, apple slices broken up somewhat
1/2 teaspoon cinnamon
3 tablespoons brown sugar

Cake Batter:

2 small yellow cake mixes (Jiffy - 9-ounce each)
2 eggs, beaten
1/2 cup sour cream
3 tablespoons softened butter
1/2 cup evaporated milk
1/2 teaspoon cinnamon
1 teaspoon butter for greasing slow cooker/Crock Pot

Combine ingredients for apple mixture in a small bowl. Combine batter ingredients; mix well. Generouslly butter the sides and bottom of a 3 1/2 quart slow cooker/Crock Pot. Spread about half the apple mixture in the bottom of the pot. Spoon 1/2 the batter over the apple mixture. Spoon the remaining apple mixture over the batter, then cover with remaining batter. Cover and cook on high for 2 to 2 1/2 hours. Turn heat off, leave cover ajar slightly, and cool for about 15 minutes. Invert on a plate, retrieving any apples left in the bottom of the pot and placing on top of the cake. Makes a cake about 7 inches in diameter and 3 1/2-inches high.