1 (3 3/4 oz.) pkg. Jello pistachio instant pudding & pie filling
1 (#2) can crushed pineapple, drained
1 (12 oz.) carton lite Cool Whip
2 c. miniature marshmallows

Mix pudding, pineapple and Cool Whip in a bowl. Add marshmallows, and pour into 9"x13" pan. Refrigerate.