CRUST:

1 c. flour
1/2 c. nuts
1/2 c. butter
1/4 c. brown sugar

Mix together and spread evenly and loosely on cookie sheet. Bake in oven for 10 minutes. Stir often. Remove and spread half crumbs in pan (13x9 inch).

3/4 c. sugar
2 egg whites
2 tsp. lemon juice
10 oz. pkg. frozen strawberries

Beat; fold in one large Cool Whip. Pour strawberry mixture over crust. Sprinkle remaining crust mixture over top and freeze.