2 #2 can crushed pineapple
3/4 pkg. marshmallows
1 lg. pkg. Jello (lime)

Leave Jello in powdered form. Mix Jello, marshmallows, and pineapple and place in refrigerator overnight. Next morning mix:

1 lg. carton Cool Whip (12 oz.)
1 pkg. after dinner mints (crushed) with above and freeze

Leave frozen, cut into squares, and place on salad plates just before serving.