Gently combine first 4 ingredients; spoon into a 9-inch springform pan. Cover
and freeze until firm.
Place dessert on a serving platter and remove rim from springform pan.
de cacao over dessert, garnish with whipped cream and cherries on stem. If you don't
want to use the entire dessert, slice, spoon about 1 teaspoon creme de cacao over
each slice and decorate with whipped cream, topped with cherry on stem.