1/2 c. butter
1 c. flour
1/2 c. nuts
1/4 c. brown sugar
1 (16 oz.) container Cool Whip
2 pkgs. frozen strawberries
3 egg whites
1 tbsp. lemon juice
1 tsp. vanilla

Mix butter, flour, nuts and brown sugar in bottom of 9"x13" pan. Bake at 400 degrees for 15 minutes, stirring a couple of times. When brown, it is done. Take out 1/3 of topping and press rest in pan and let cool. Beat frozen strawberries, egg whites, lemon juice and vanilla together. Beat 15 minutes at high speed. Fold half of Cool Whip in strawberry mixture and pour over cooled crust. Cover with rest of Cool Whip and topping, then freeze.