1 lg. can crushed pineapple
1 pkg. pistachio instant pudding
2 c. miniature marshmallows
1 (8 oz.) Cool Whip
1/2-1 c. chopped nuts

Sprinkle pistachio pudding over crushed pineapple and mix. Add marshmallows and fold in Cool Whip and nuts. Place in refrigerator for several hours to set.