1 (8 oz.) Cool Whip
1 can undrained crushed pineapple
1 c. miniature marshmallows
1 box instant pistachio pudding mix
maraschino cherries

Combine Cool Whip, pineapple and marshmallows. Add pudding mix. Top with cherries, if desired. Refrigerate for several hours or overnight. This will stay good for several days.