Pistachio Mallow Salad
["1 (16 oz.) carton frozen whipped topping, thawed", "1 (3.4 oz.) pkg. instant pistachio pudding mix", "3 c. miniature marshmallows", "1 (20 oz.) can crushed pineapple (undrained)"]
["In a large bowl, combine whipped topping and pudding mix. Fold in the marshmallows and pineapple.", "Cover and refrigerate for at least 2 hours. Yield: 12 servings."]
["frozen whipped topping", "marshmallows", "pineapple"]