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Easy Sausage and Egg Breakfast Casserole Recipe for a Crowd

easy sausage and egg breakfast casserole - featured image

A quick and hearty breakfast casserole combining savory sausage, fluffy eggs, and bread, perfect for feeding a crowd at brunch.

Ingredients

Scale
  • 1 pound ground breakfast sausage
  • 1 small onion, finely chopped
  • 8 large eggs, room temperature
  • 1 cup whole milk or half-and-half
  • 1/2 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/4 teaspoon ground nutmeg
  • 6 cups cubed day-old French bread or sturdy white bread
  • 2 cups shredded sharp cheddar cheese
  • Optional: 1/2 cup shredded mozzarella cheese
  • 2 tablespoons chopped fresh parsley
  • Non-stick cooking spray or butter for greasing

Instructions

  1. Preheat your oven to 350°F (175°C). Grease a 9×13-inch baking dish with butter or non-stick spray.
  2. Heat a large skillet over medium heat. Add ground breakfast sausage and chopped onion. Cook, breaking the sausage apart, until browned and no longer pink, about 7-8 minutes. Drain excess fat and set aside to cool slightly.
  3. In a large mixing bowl, whisk together eggs, milk, salt, black pepper, and nutmeg until smooth and slightly frothy.
  4. Spread cubed day-old bread evenly in the greased baking dish. Sprinkle the cooked sausage and onion mixture evenly over the bread cubes.
  5. Pour the egg mixture evenly over the bread and sausage layers, pressing down gently with a spatula to help the bread absorb the liquid. Let sit for about 5 minutes to soak thoroughly.
  6. Sprinkle shredded sharp cheddar cheese (and mozzarella if using) evenly over the top of the casserole.
  7. Bake uncovered in the preheated oven for 40-45 minutes, or until eggs are set and the top is golden brown. Test doneness by inserting a knife in the center; it should come out clean.
  8. Remove from oven and let sit for 5-10 minutes before slicing.
  9. Garnish with chopped fresh parsley. Slice into squares and serve warm.

Notes

Use day-old bread to prevent sogginess. Let the casserole rest after baking for easier slicing. Tent with foil if cheese browns too fast. For gluten-free, substitute bread with gluten-free cubes or cooked quinoa. For dairy-free, use plant-based milk and cheese alternatives.

Nutrition

Keywords: sausage, egg casserole, breakfast casserole, brunch recipe, easy breakfast, crowd recipe, savory casserole