1 (3 1/2 oz.) pkg. pistachio instant pudding mix
1 (1 lb.) can crushed pineapple, drained
1 c. miniature marshmallows
1/2 c. pecans, chopped
1 (9 oz.) carton frozen whipped topping, thawed

Combine pudding mix with drained pineapple. Add marshmallows and pecans, mix well. Fold in whipped topping. Chill.