For a baked version, transfer to a casserole dish and bake at 350°F (175°C) for 45 minutes to 1 hour. Store leftovers in the refrigerator for up to 4 days and reheat with a splash of milk. Add crispy bacon, jalapeños, or breadcrumbs for extra texture and flavor.
Keyword Cheese, Comfort food, Easy, Mac and Cheese, Slow Cooker