Pistachio Pudding Fruit Salad
["1 (1 3/4 oz.) pkg. pistachio pudding", "1 can crushed pineapple or fruit cocktail", "1/2 lb. small marshmallows", "1 (9 oz.) carton Cool Whip", "1/2 c. nuts (optional)"]
["Mix dry pudding with fruit.", "Add marshmallows; fold in Cool Whip.", "Refrigerate, then serve."]
["pistachio pudding", "pineapple", "marshmallows", "nuts"]