Bring 1 cup of water to a boil; add Jello and stir to dissolve. Add sherbet, stir and let thicken. Add pineapple, oranges and marshmallows. Fold in whipped cream and chill.
Dissolve Jello in boiling water; add sherbet, oranges, pineapple. Refrigerate until partially ... (Different flavor Jellos and sherbet also work well.)