1 box (3 oz.) instant pistachio Jello pudding
1 can (20 oz.) crushed pineapple, undrained
1 1/2 c. mini marshmallows
1 c. pecans, chopped
1 pkg. (lg.) Cool Whip, thawed

Mix the pudding with the can of undrained pineapple. Add all the other ingredients and mix well. Refrigerate an hour before serving.