CRUST:

1 1/2 c. butter
2 eggs, beaten
1 tsp. baking powder
3/4 c. sugar
2 2/3 c. flour
24 oz. frozen berries

FILLING:

1 lb. sour cream
1/3 c. sugar
2 eggs
1 tsp. vanilla

CRUST: Cream butter and sugar. Add eggs, mixing well. Add flour and baking powder. Spread 1/2 inch thick in 9x13 inch baking pan, forming ridge around outside.

FILLING: Cream together sour cream, eggs, sugar and vanilla. Layer berries on top of crust. Pour prepared filling over berries. Bake at 400 degrees for 20- 35 minutes. Adjust sugar according to berries' sweetness.