Cut un-peeled squash into quarter rings with sharp knife. Remove anddiscard seeds. Place in shallow dish & set aside. In 4 cup measurecook butter at High 30-45 seconds or till melted. Stir in cranberriesand brown sugar. Cook, uncovered plastic wrap at High 2-3 min or tillskins have popped, stirring once. Stir in apple; spoon in each ring.
Cover and cook at High 5-7 min or till tender. Drain juice with 1 cupmeasure. Dissolve cornstarch in cold water, whisk into juices. Cook atHigh 30-45 seconds till thickened. Pour over rings.