Breakfast Casserole Recipes: 6 Make-Ahead Dishes for Holiday Mornings

Breakfast casseroles are the only breakfast dish that feeds 8-12 people, takes 15-20 minutes to assemble, and can be prepared the night before. These 6 recipes include one savory classic (sausage and egg), one vegetarian, one hash brown-based, and one sweet option — with exact bake times and make-ahead storage instructions.