Christmas morning make-ahead breakfast casserole 🎄 the easiest way to enjoy all of the Christmas morning magic and still have a yummy breakfast for the fam! This one is savory but we have done the French Toast casseroles too and that is SO good if you’re looking for something sweet. Southwest Breakfast Casserole: 1 pound sausage 1 red bell pepper 1 green bell pepper 1/2 yellow onion Spoonful minced garlic Frozen hashbrowns/potatoes of choice 6 eggs 1/2 cup milk Shredded cheddar cheese Seasoning