This breakfast casserole recipe, made with hashbrowns, cheese, and sausage, is full of protein, easy to make ahead of time, and makes delicious leftovers. Perfect for easy weekday breakfast ideas, to prepare for a brunch shower, as a main dish for breakfast for dinner, or to make when you’re having overnight guests. Super simple prep! #breakfastcasserole #christmasmorning #easybreakfastideas #breakfastrecipes #healthybreakfast