In medium saucepan, mix gelatin with sugar. Blend in water. Let stand 1 minute . Stir over low heat until gelatin is completely dissolved, about 5 minutes. Cool to room temperature. Stir in remaining ingredients. Pour into 9-inch square baking pan. Freeze 3 hours or until firm. With mixer, beat until smooth. Return to pan. Freeze 2 hours or until firm. To serve, let stand at room temperature for 15 minutes or until slightly softened.