20 oz. can crushed pineapple, undrained
3 1/2 oz. pistachio pudding
1 1/2 c. miniature marshmallows
5 oz. Cool Whip
1 grated apple, peeled
1/2 c. chopped walnuts (optional)

Mix together pineapple, pudding, marshmallows, apple and walnuts. Fold in Cool Whip. Pour into dish and sprinkle with coconut. Chill overnight.