You can never have too many main course recipes, so give Cauliflower-Cheese Soup a try. This recipe serves 6. One portion of this dish contains around 21g of protein, 38g of fat, and a total of 490 calories. If you have butter, milk, instant chicken bouillon granules, and a few other ingredients on hand, you can make it. To use up the onion you could follow this main course with the Candy Corn Cupcakes as a dessert. It is perfect for Autumn.