1Place all ingredients in blender or food processor. Cover; blend on high speed about 30 seconds or until smooth. Pour into 8- or 9-inch square glass baking dish.
2Freeze 30 minutes. When ice crystals begin to form at edges of dish, stir mixture with fork. Freeze 2 hours 30 minutes to 3 hours longer, stirring every 30 minutes, until firm.
3To serve, spoon into individual bowls.