Breakfast Sausage Casserole (Printable)

Hearty baked dish with sausage, eggs, cheese, and bread cubes. Ideal for feeding a crowd or prepping ahead.

# What You Need:

→ Meats

01 - 1 pound breakfast sausage, casings removed

→ Vegetables & Aromatics

02 - 1 small yellow onion, finely chopped
03 - 1/2 red bell pepper, diced

→ Dairy & Eggs

04 - 8 large eggs
05 - 2 cups whole milk
06 - 2 cups shredded cheddar cheese
07 - 1/2 cup shredded mozzarella cheese

→ Bread

08 - 6 cups day-old bread, cut into 1-inch cubes

→ Seasonings

09 - 1 teaspoon salt
10 - 1/2 teaspoon black pepper
11 - 1/2 teaspoon dried mustard powder
12 - 1/4 teaspoon paprika

→ For Greasing

13 - Butter or nonstick spray

# Steps:

01 - Preheat the oven to 350°F. Grease a 9x13-inch baking dish with butter or nonstick spray.
02 - In a large skillet over medium heat, cook the sausage, breaking it up with a spoon, until browned and cooked through, about 5–7 minutes. If using, add onion and bell pepper; sauté until softened, 3–4 minutes. Drain excess fat.
03 - Spread the bread cubes evenly in the prepared baking dish. Top with the cooked sausage and vegetables.
04 - In a large bowl, whisk together the eggs, milk, salt, pepper, mustard powder, and paprika until well combined.
05 - Stir in 1 1/2 cups cheddar cheese and all the mozzarella into the egg mixture.
06 - Pour the egg mixture evenly over the bread and sausage in the baking dish. Gently press the bread down so it soaks up the liquid.
07 - Sprinkle remaining cheddar cheese on top of the casserole.
08 - Cover with foil and bake for 30 minutes.
09 - Remove foil and bake another 15 minutes until golden and set in the center.
10 - Let rest for 10 minutes before slicing and serving.

# Expert Advice:

01 -
  • Effortlessly Easy: With simple steps and minimal prep, this casserole is perfect for cooks of all levels.
  • Make-Ahead Friendly: Assemble it the night before and simply bake it in the morning for a stress-free meal.
  • Feeds a Crowd: Yielding eight generous servings, it's ideal for family gatherings or brunches with friends.
  • Hearty & Flavorful: Packed with protein and savory goodness, it’s a complete breakfast in one dish.
02 -
  • Use Day-Old Bread: Stale, dry bread absorbs the egg mixture best, preventing a soggy casserole and creating the perfect texture.
  • Drain the Fat: Be sure to drain the excess grease from the sausage after browning to keep the casserole from becoming oily.
  • Press to Soak: Gently press the bread cubes into the egg mixture to ensure every piece is well-saturated for a consistent, custardy result.
  • Let It Rest: Allowing the casserole to rest for 10 minutes after baking helps it set, making it much easier to slice and serve clean portions.
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