1 box pistachio pudding
1 can crushed pineapple
1 c. miniature marshmallows
1 (9 oz.) Cool Whip
1/2 c. shredded coconut, optional
1/2 c. chopped walnuts

Mix pudding and pineapple together in bowl. Add Cool Whip and beat. Add marshmallows, coconut and nuts; mix well. Refrigerate.