A hearty and cheesy breakfast casserole featuring cubed everything bagels, eggs, sharp cheddar, mozzarella, and a generous sprinkle of everything bagel seasoning. Perfect for cozy weekend mornings or feeding a crowd with minimal effort.
Use day-old or slightly stale bagels to prevent sogginess. Let the casserole sit 10 minutes before baking for better custard absorption. Tent with foil if top browns too quickly. Assemble the night before and refrigerate for convenience, adding 10-15 minutes to baking time. Variations include adding vegetables, spicy jalapeños, or substituting gluten-free bagels and dairy-free milk/cheese.
Keywords: everything bagel, breakfast casserole, cheesy casserole, brunch recipe, easy breakfast, bagel casserole, savory breakfast