1 c. butter
1 c. sugar
3 tsp. baking powder
3 eggs
2 1/2 c. flour
1 tsp. baking soda
1 c. sour cream
1 can blueberry pie filling

Cream butter. sugar and eggs. Grease 9x12 inch pan, put 1/2 mixture in pan. Add 1 can blueberry pie filling over 1/2 mixture and other 1/2 mixture spoon drop on top. Bake at 350 degrees for 45 to 60 minutes. Top cake with sugar and cinnamon as desired. You may substitute the blueberry pie filling with either apple pie filling or cherry pie filling.