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Quick Cheesy Sausage Breakfast Casserole: Easy One-Pan Recipe

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A quick and easy one-pan breakfast casserole with sausage, cheese, and bread, perfect for weeknight dinners or weekend brunches. Comes together in under 40 minutes with minimal cleanup.

Ingredients

Scale
  • 1 pound (450g) breakfast sausage
  • 6 large eggs, room temperature
  • 2 cups (480ml) whole milk
  • 1 teaspoon (5g) Dijon mustard
  • ½ teaspoon (2g) salt
  • ¼ teaspoon (1g) black pepper
  • ¼ teaspoon (1g) garlic powder
  • 6 cups (about 300g) cubed day-old bread (French bread, sourdough, or white bread)
  • 2 cups (200g) shredded sharp cheddar cheese
  • 1 cup (100g) shredded Monterey Jack cheese
  • ½ cup (75g) diced bell pepper (optional)
  • ¼ cup (25g) sliced green onions (optional)
  • ½ cup (60g) frozen hash browns, thawed and drained (optional)

Instructions

  1. Preheat your oven to 350°F (175°C). Spray a 9×13-inch baking dish with non-stick cooking spray.
  2. In a large skillet over medium-high heat, cook the breakfast sausage, breaking it apart with a spatula, until browned and crumbly, about 6-8 minutes. Leave about a tablespoon of fat in the pan.
  3. While the sausage cooks, cube the bread into 1-inch pieces. If using fresh bread, toast the cubes on a baking sheet in the oven for 5 minutes. If using day-old bread, skip toasting.
  4. In a large mixing bowl, whisk together the eggs, milk, Dijon mustard, salt, black pepper, and garlic powder until smooth and pale yellow, about 30 seconds.
  5. Spread the cubed bread evenly in the prepared baking dish. Sprinkle the cooked sausage over the bread. Scatter 1½ cups of cheddar and ¾ cup of Monterey Jack cheese over the top. Reserve the remaining cheese.
  6. Slowly pour the egg mixture over the entire dish, making sure every piece of bread is wet. Gently press down on the bread with a spatula. Let it sit for 15 minutes to allow the bread to absorb the custard.
  7. Bake uncovered for 25 minutes, until the top is golden and the center is set but slightly jiggly.
  8. Remove from the oven and sprinkle the remaining ½ cup cheddar and ¼ cup Monterey Jack on top.
  9. Return to the oven and bake for another 10-15 minutes, until the cheese is melted and bubbly and the edges are golden brown. The center should be firm when shaken.
  10. Let the casserole rest for 5 minutes before cutting. Garnish with sliced green onions if desired. Serve warm.

Notes

For best texture, use day-old bread and let the bread soak in the egg mixture for exactly 15 minutes. Shred your own cheese for better melting. If the top browns too fast, tent with foil. For make-ahead, assemble the night before and refrigerate; add 10-15 minutes to baking time.

Nutrition

Keywords: breakfast casserole, sausage casserole, cheesy casserole, one-pan recipe, easy breakfast, weeknight dinner, brunch recipe

Find it online: https://breezybake.com/quick-cheesy-sausage-breakfast-casserole-easy-one-pan-recipe/