1Heat oven to 375°F. Spray 13x9-inch (3-quart) glass baking dish with cooking spray. Place squash, cut sides up, in baking dish.
2Cover with foil; bake 45 minutes. Sprinkle with salt. In small bowl, mix butter, marmalade, cinnamon and nutmeg; brush over squash. Bake 20 to 30 minutes longer or until glazed and tender.