Mile High Strawberry Pie
["1 c. flour", "1 stick margarine", "1/4 c. brown sugar", "1/2 c. pecans", "3 egg whites", "1 Tbsp. lemon juice", "2/3 c. sugar", "1 (10 oz.) pkg. frozen strawberries, thawed", "1 (8 oz.) Cool Whip"]
["Mix flour with brown sugar.", "Cut in margarine as for pie crust.", "Stir in pecans.", "Spread crumbs in 9 x 13-inch pan (do not pat).", "Bake 15 minutes at 325\u00b0.", "Stir twice with fork during baking.", "Remove 1/2 cup crumbs for top.", "Beat egg whites to form soft peaks.", "Add strawberries and juice, lemon juice and sugar. Beat with mixer for 5 minutes.", "Fold in Cool Whip.", "Pile mixture over crumbs in pan.", "Sprinkle remaining 1/2 crumbs over all. Freeze until firm.", "(Will keep.)"]
["flour", "margarine", "brown sugar", "pecans", "egg whites", "lemon juice", "sugar", "frozen strawberries"]