1 (16 oz.) can undrained crushed pineapple
1 pkg. instant pistachio pudding mix
1 c. miniature marshmallows
1 (9 oz.) Cool Whip
1/2 c. chopped walnuts
Chopped apple as desired

Mix pineapple and pudding. Fold in Cool Whip. Add remaining ingredients folding carefully until well mixed. Refrigerate.