Watergate Pistachio Dessert - cooking recipe

Ingredients

1 large container Cool Whip
1 large box instant pistachio pudding
1 c. small marshmallows (optional)
1 large can crushed pineapple, undrained

Preparation

Mix in a bowl, pudding, marshmallows and pineapple.
Fold in Cool Whip until completely mixed.
Chill and serve.