1 can blueberry pie filling
3 c. sifted cake flour
1 tsp. baking powder
1 tsp. baking soda
1/2 lb. butter
2 eggs, beaten
1/2 pt. sour cream (1 c.)
1 tsp. vanilla

TOPPING:

1/4 c. flour
3 tbsp. butter
1/4 c. sugar

Sift dry ingredients into bowl. Cut in butter with a pastry blender as for pie crust. Add beaten eggs, sour cream, vanilla and beat well to blend. Spread 1/2 of the batter evenly in a greased 13 x 9 1/2 inch pan. Spoon pie filling on top and spread gently. Spread remaining batter over filling, spreading as evenly as possible. Sprinkle topping over batter and bake at 375 degrees for about 45 minutes or until done.