Exceptionally smooth, with a silky texture, this pastel-golden sherbet tastes like a clean fruit ice cream. Should you be in the mood for a dessert duo, serve with perfumy Feijoa-Plum Ice.
Seed, peel, and slice papaya. Toss together in a bowl with 3tablespoons rum and ginger. Whirl sugar in processor until very fine-textured. Toss together with papaya. Let stand about an hour at room temperature, tossing occasionally.