In this video, you’ll see how to prepare a delicious make-ahead breakfast casserole. This is the perfect breakfast recipe for the holidays. Make it the night before, then simply pop it into the oven for a quick-and-easy breakfast on Christmas or New Year's morning. Breakfast mainstays like sausage, eggs, and cheese are combined with spinach, mushrooms, and seasoned croutons—and a couple secret ingredients. This breakfast casserole really lends itself to substitutions and experimentation, too. Watch the video, then get Shannon Marie’s 5-star recipe for Make-Ahead Breakfast Casserole. It’s also great when you have guests staying overnight!