6 cups cubed cantaloupe (about 2 large) |
3/4 cup unsweetened orange juice |
3 tablespoons lime juice |
1/4 teaspoon peppermint extract |
1 (8-ounce) carton vanilla low-fat yogurt |
2 teaspoons powdered sugar |
2 tablespoons nonfat sour cream alternative |
fresh mint sprigs (optional) |