Fruit Bars

1 cup margarine
1 3/4 cup sugar
4 eggs
1 tsp vanilla
1 1/2 tsp baking powder
 3 cup flour
1 21 oz can blueberry, cherry, apple, or lemon filling

Cream margarine and sugar.  Add eggs and vanilla.  Stir in flour and baking powder.  Place 2/3 batter in 11*17 inch ungreased pan.  Spread pie filling over the batter.  Spread remaining 1/3 of batter by teaspoon over the top.  Bake 30-40 minutes at 350'.  Drizzle favorite powdered sugar frosting over top when cooled.