8 oz. Carton Cool Whip
1 (15 1/2 oz) Can Crushed Pineapple, Drained
3 oz. Pkg. Pistachio Pudding Dry Mix
1/2 Bag Small Marshmallows
1/2 C. Pecans
Add a small amount of pineapple juice and mix all ingredients well. Chill 1 hour before serving.