Strawberry Fantasy
["1/2 c. margarine", "1/4 c. brown sugar", "1/4 c. chopped nuts", "1 c. flour", "1 (16 oz.) pkg. frozen strawberries", "2 egg whites", "1 c. sugar", "1 Tbsp. lemon juice", "1 tsp. vanilla", "1 (12 oz.) carton Cool Whip"]
["Brown margarine, brown sugar, nuts and flour in baking dish for 15 minutes at 350\u00b0.", "Stir 3 or 4 times.", "Put half of crumbs aside for topping and press remaining crumbs in dish for crust."]
["margarine", "brown sugar", "nuts", "flour", "frozen strawberries", "egg whites", "sugar", "lemon juice", "vanilla"]