1 pkg. instant pistachio pudding
1 (9 oz.) container Cool Whip
1 (8 oz.) can crushed pineapple
1 can mandarin oranges
1/2 c. ground or chopped walnuts
1/2 c. miniature marshmallows

Combine pudding, pineapple, and mandarin oranges in a bowl. Add Cool Whip and mix, then nuts and marshmallows, mix. Pour into parfait glasses and let chill.