2 sticks butter
2 c. sugar
1 tsp. vanilla
4 eggs
3 c. flour
1 can blueberry pie filling

Cream butter, eggs, sugar and vanilla; add flour. Spread 3/4 of batter in 10 x 15 inch or 9 x 13 inch greased pan. Spread pie filling over batter. Drop by spoonfuls the rest of batter over the top. Bake at 350 degrees in 10 x 15 inch pan for 30 minutes and in 9 x 13 inch pan for 45 minutes. Top with powdered sugar frosting drizzled over.