1 (9 oz.) carton Cool Whip
1 box instant pistachio pudding mix
1 c. miniature marshmallows
1 (1 lb.) can crushed pineapple
1/2 c. nuts, chopped

Fold dry pudding mix into Cool Whip. Add pineapple and juice, marshmallows and nuts. Refrigerate at least 8 hours.