2 c. sifted cake flour
1 tsp. baking powder
1 tsp. baking soda
1 c. sugar
2 sticks (1/2 lb.) butter
2 eggs
1 c. cultured sour cream
1 tsp. vanilla
1 can blueberry pie filling

Preheat oven to 375 degrees. Sift flour, baking powder, soda and sugar together into a large bowl. Cut in butter as you would for pie crust. Beat together eggs, sour cream, vanilla and combine with flour mixture, blending well. Spread half the batter in a greased 13"x9"x2" baking pan. Spoon pie filling over batter and spread evenly. Spread remaining batter over blueberry filling. Sprinkle with the following topping:

Blend together as for pie crust 1/4 cup cake flour, 3 tablespoons butter, and 1/4 cup sugar. Sprinkle over top of batter in pan. Bake in a moderately hot oven of 375 degrees for 40 minutes or until lightly browned. Serve warm or cold.