Oreo Ice Cream Dessert
["24 Oreo cookies, crushed", "1/2 c. margarine, melted", "1/2 gal. vanilla ice cream, softened", "1 (4 oz.) German chocolate bar", "1/2 c. margarine", "2/3 c. sugar", "2/3 c. evaporated milk (5 oz. can)", "1 tsp. vanilla", "1/8 tsp. salt", "1 (8 oz.) container (large) frozen whipped topping"]
["Sprinkle crushed cookies onto bottom of a 9 x 13-inch pan. Pour 1/2 cup melted margarine over crumbs.", "Spread softened ice cream over crumbs and freeze.", "Combine remaining ingredients, except frozen whipped topping; boil for 4 minutes.", "Cool and pour over top of ice cream.", "Top with frozen whipped topping.", "Sprinkle with nuts, if desired, and freeze.", "Makes 10 to 12 servings."]
["cookies", "margarine", "vanilla ice cream", "chocolate bar", "margarine", "sugar", "milk", "vanilla", "salt", "frozen whipped topping"]