Sweetened whipped cream for garnish (optional). Reserve a few peach slices and cherries for garnish.
In a large bowl, combine sugar, mashed banana, sour cream and salt, mixing well. Fold in remaining ingredients until well blended.
Pour mixture into an 8-cup oiled mold and freeze for 3 hours or until firm. Unmold and let stand about 20 minutes at room temperature before serving.
Decorate with whipped cream, peach slices and cherries.