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–+ servings
A golden brown Best Sausage Egg Breakfast Casserole baked in a rectangular dish with one serving removed.

Best Sausage Egg Breakfast Casserole

This sausage egg breakfast casserole is a hearty and satisfying breakfast solution perfect for busy families. It can be prepared ahead of time and is a crowd-pleasing comfort food.
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Prep Time 20 minutes
Cook Time 45 minutes
Chilling Time 30 minutes
Total Time 1 hour 35 minutes
Servings: 8 people
Course: Breakfast
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

For the Casserole
  • 1 tablespoon olive oil
  • 14-16 ounces uncooked pork breakfast sausage
  • 12 large eggs
  • 2 cups half-and-half
  • 2 teaspoons dry mustard
  • 1.5 teaspoons kosher salt
  • 0.5 teaspoon freshly ground black pepper
  • 8 ounces sharp cheddar cheese, shredded preferably white, about 2 cups
  • 6 slices hearty white sandwich bread about 8-9 ounces, torn into bite-sized pieces
For Greasing
  • 1 cooking spray or olive oil

Equipment

  • Large skillet
  • 9x13 inch baking dish
  • Whisk
  • Large bowl

Method
 

  1. Grease a 9x13 inch baking dish with cooking spray or olive oil.
  2. In a large skillet, cook the breakfast sausage over medium heat until browned and cooked through. Drain off any excess grease.
  3. Spread the cooked sausage and torn bread pieces evenly in the prepared baking dish.
  4. In a large bowl, whisk together the eggs, half-and-half, dry mustard, salt, and pepper until well combined.
  5. Pour the egg mixture evenly over the sausage and bread in the baking dish.
  6. Sprinkle the shredded cheddar cheese over the top.
  7. Cover the dish tightly with plastic wrap and refrigerate for at least 30 minutes, or up to overnight. This allows the bread to soak up the egg mixture.
  8. When ready to bake, preheat your oven to 350°F (175°C).
  9. Remove the plastic wrap and bake for 45 to 55 minutes, or until the casserole is set and golden brown. A knife inserted near the center should come out clean.
  10. Let the casserole rest for 5-10 minutes before slicing and serving.

Notes

This casserole is perfect for making ahead. You can assemble it the night before and bake it in the morning for a stress-free breakfast. It reheats well, making it great for leftovers.

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