Ice Cream Dessert
["1/2 c. melted margarine", "2 1/2 c. crushed vanilla wafers", "1/2 tsp. sugar, sprinkled on crumbs", "2 sq. (2 oz.) unsweetened chocolate", "2 c. powdered sugar", "1/2 c. melted margarine", "1 tsp. vanilla", "3 egg whites"]
["Mix together first 3 ingredients; press into regular cake pan. Freeze."]
["margarine", "vanilla wafers", "sugar", "chocolate", "powdered sugar", "margarine", "vanilla", "egg whites"]