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Easy Make-Ahead Sausage Egg and Cheese Breakfast Casserole

easy make-ahead sausage egg and cheese breakfast casserole - featured image

A comforting and hearty breakfast casserole made with sausage, eggs, cheese, and bread that can be prepped ahead and baked fresh for busy mornings.

Ingredients

Scale
  • 1 pound breakfast sausage (mild or spicy)
  • 8 large eggs, room temperature
  • 2 cups whole milk or 2%
  • 6 cups cubed day-old bread (about 810 slices, white or sourdough)
  • 2 cups shredded cheddar cheese (sharp or mild)
  • 1 small yellow onion, finely diced
  • 1 teaspoon garlic powder
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • ½ teaspoon smoked paprika (optional)

Instructions

  1. Preheat your oven to 350°F (175°C).
  2. In a large skillet over medium heat, crumble and brown the sausage until no pink remains, about 7–8 minutes. Drain excess fat on paper towels.
  3. Add the diced onion to the skillet and sauté for 3 minutes until softened and fragrant.
  4. Cube the day-old bread into roughly 1-inch pieces. Optionally, spread on a baking sheet to dry out slightly.
  5. In a large mixing bowl, whisk together eggs, milk, garlic powder, smoked paprika, salt, and black pepper until combined and slightly frothy.
  6. In a 9×13-inch baking dish, layer half of the bread cubes evenly. Sprinkle half of the cooked sausage and onion mixture over the bread, then half of the shredded cheese. Repeat layers with remaining bread, sausage mixture, and cheese.
  7. Pour the egg mixture slowly over the layers, pressing gently with a spatula to help bread absorb the custard. Let sit for 10 minutes.
  8. Bake uncovered for 45–50 minutes until the top is golden brown and a knife inserted in the center comes out clean. Tent with foil after 30 minutes if browning too fast.
  9. Cool slightly before slicing and serving.

Notes

Use day-old bread to prevent sogginess. Let the casserole sit for 10 minutes after pouring eggs to absorb custard fully. Drain excess sausage fat to avoid greasiness. Tent with foil if browning too quickly. Can be assembled the night before and baked in the morning, adding 10-15 minutes if baking cold from fridge.

Nutrition

Keywords: breakfast casserole, make-ahead breakfast, sausage casserole, egg casserole, easy breakfast, cheesy casserole, brunch recipe