1 pkg. instant pistachio pudding
1 lg. can crushed pineapple, undrained
1/2 c. chopped walnuts or cashews (optional)
1 c. or more of miniature marshmallows
8 oz. container Cool Whip

Disregard directions on pudding package. Mix undrained pineapple with dry pudding mix. Add marshmallows, nuts and Cool Whip. Refrigerate until ready to serve.