1 graham cracker pie crust
1 (20 oz.) can crushed pineapple
1 (3 3/4 or 3 5/8 oz.) pkg. instant lemon pudding mix
12 oz. pkg. dessert topping mix

In mixing bowl stir together undrained crushed pineapple and dry pudding mix. In another bowl, prepare dessert topping; mix according to package directions; fold gently into pineapple pudding mixture. Turn into graham cracker crust. Chill several hours or overnight. To serve garnish with additional whipped topping.