Watergate Salad
["16 oz. can crushed pineapple", "3 oz. pkg. pistachio pudding mix", "1 c. miniature marshmallows", "1 small size Cool Whip (8 oz.)", "1/2 c. chopped walnuts (optional)"]
["Mix together pineapple and pistachio pudding mix.", "Add marshmallows, Cool Whip and walnuts.", "Let set overnight in refrigerator."]
["pineapple", "pistachio pudding mix", "marshmallows", "walnuts"]