1 sm. pkg. sm. marshmallows
1 lg. Cool Whip
1 pkg. instant pistachio pudding
1 lg. can crushed pineapple

Wet marshmallows with milk. Stir in crushed pineapple and Cool Whip. Sprinkle pudding over it and mix. Add 1 teaspoon vanilla. Stir and chill. (Nuts or coconut may be added for variety.)