- To freeze and bake later, prepare recipe as directed. Place in freezer container. Freeze up to 3 months. To thaw, place in refrigerator 24 hours or until thawed. Heat oven to 350°F. Place mixture into 2-quart casserole dish sprayed with no-stick cooking spray. Cover with aluminum foil; bake as directed until mixture is heated through. Uncover; sprinkle with cheese.