1 cup miniature marshmallows
1 package (3.4 ounce) Jell-O pistachio instant pudding
20 ounce can crushed pineapple, in juice, undrained
1/2 cup pecans, chopped
1 1/2 cups Cool Whip, thawed
Combine marshmallows, dry pudding mix, pineapple and nuts in large bowl. Stir in Cool Whip and refrigerate for 1 hour.