1. Preheat the oven to 350 F.
2. Grease a 1-quart baking dish.
3. Halve an acorn squash and remove the seeds.
4. Place the squash, skin side up, in the dish and cover. Bake for 30 minutes.
5. In a medium bowl combine the apple, butter, brown sugar, ground cinnamon, nutmeg and cloves.
6. Turn cut sides of the acorn squash up and top with the apple mixture.
7. Cover and bake 30 minutes longer or until the apples are tender.