2 c. crushed graham cracker crumbs
1/4 c. sugar
1/2 c. butter
4 egg whites
2/3 c. sugar
Vanilla

Crush crackers, add sugar and butter and press in a 9"x13" pan. Beat egg whites, add sugar and vanilla. Pour on cracker crumbs and bake about 15 minutes until brown. Cool. Add 1 can lemon pie filling on top and also Cool Whip.