Makes 1 1/2 to 2 quarts.
Banana Nut: Reduce vanilla extract to 1 1/2 teaspoons. Cook and cool as above. Stir 3 large ripe bananas, mashed and 1/2 cup chopped toasted pecans into custard mixture. Freeze as above.
Cherry: Reduce vanilla extract to 1 teaspoon. Add 2 tablespoons almond extract. Cook and cool as above. Partially freeze. Add 2 pounds pitted pureed dark sweet fresh cherries OR 1 can (16 to 17 ounces) pitted dark sweet cherries, drained and chopped. Complete freezing.
Chocolate: Add 3 squares (1 ounce each) unsweetened chocolate to egg mixture. Cook, cool and freeze as above.
Plum: Reduce vanilla extract to 1 teaspoon. Cook and cool as above. Partially freeze. Add 1 1/2 pounds pitted pureed ripe fresh plums. Complete freezing.
Strawberry: Omit vanilla extract. Cook and cool as above. Partially freeze. Add 2 cups sweetened crushed fresh strawberries. Complete freezing.
Recipe and photo credit (used with permission): American Egg Board