Total Calories: 422
Wash squash cut in half lengthwise. Scoop out seeds and stringy substance. Wash, core and dice unpared apples. Combine with remaining ingredients. Fill squash halves with apple mixture. Brush surface with additional melted butter or margarine. Put in baking dish and pour in boiling water to depth of 1/2 inch. Cover dish with foil and bake in a preheated 400° F oven for 45 minutes. Uncover and bake an additional 10 minutes. Test squash with a fork to be sure it is tender.