Made with light cheddar cheese, egg whites, non-fat cottage cheese and eggs, this crustless spinach quiche is packed with protein and flavor. In this recipe, the pie crust is replaced with a layer of cheddar cheese, making it an easy dish to serve at brunch, lunch or dinner! If you enjoyed this recipe, you may also like these Crustless Cheddar and Sun-dried Tomato Mini Quiches or Spinach-Stuffed Shells.