1 lg. can unsweetened crushed pineapple
1 pkg. instant pistachio pudding
1 (12 oz.) Cool Whip
1 c. sm. marshmallows
1/2 c. chopped walnuts

In a large bowl mix pudding and pineapple with juice until dissolved. Add Cool Whip, marshmallows and nuts. Stir all together. Salad should set at least overnight but may be used sooner.