Heavenly Hash

1 can pineapple tidbits, drained

(8 3/4 ounces) 2 cups Cool Whip (8 ounce package)

1 cup mini marshmallows 1/4 cup maraschino cherries (chopped)

3 tablespoons milk

1 can mandarin oranges (optional)

Mix until all ingredients are completely covered with the Cool Whip. Refrigerate for at least 1 hour. Serve cold.