Pistachio Salad (aka Watergate Salad)

1 (20 ounce) can crushed pineapple

1 (3 ounce) package instant pistachio pudding mix

1 (8 ounce) container frozen whipped topping, thawed

1/2 (10.5 ounce) package miniature marshmallows
Directions:
In a large bowl, combine the pineapple and dry pistachio pudding mix. Fold in thawed whipped topping and marshmallows until well mixed. Refrigerate until chilled and serve.
Nuts optional