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

Best Sausage Egg Breakfast Casserole

This sausage egg breakfast casserole is a hearty and delicious option for busy families. It can be made ahead, making your mornings easier and more enjoyable.
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Prep Time 20 minutes
Cook Time 45 minutes
Resting Time 10 minutes
Total Time 1 hour 15 minutes
Servings: 8 people
Course: Breakfast
Cuisine: American
Calories: 450
Ingredients Equipment Method Nutrition 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 to 9 ounces, cut into 1-inch cubes

Equipment

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

Method
 

  1. Preheat your oven to 350°F (175°C). Lightly grease a 9x13 inch baking dish with cooking spray or olive oil.
  2. In a large skillet over medium heat, cook the breakfast sausage until browned and crumbled. Drain off any excess grease.
  3. In a large bowl, whisk together the eggs, half-and-half, dry mustard, kosher salt, and black pepper until well combined.
  4. Add the cubed bread, cooked sausage, shredded cheese, and about half of the egg mixture to the prepared baking dish. Stir gently to combine.
  5. Pour the remaining egg mixture evenly over the casserole. Press down gently with a spatula to ensure the bread is mostly submerged.
  6. Cover the baking dish with foil and bake for 30 minutes.
  7. Remove the foil and bake for an additional 15-20 minutes, or until the casserole is set and lightly golden brown on top.
  8. Let the casserole rest for about 10 minutes before slicing and serving.

Nutrition

Calories: 450kcalCarbohydrates: 20gProtein: 25gFat: 30gSaturated Fat: 12gCholesterol: 300mgSodium: 900mgPotassium: 250mgFiber: 2gSugar: 5gVitamin A: 20IUCalcium: 20mgIron: 10mg

Notes

For a make-ahead option, assemble the casserole as directed, cover tightly, and refrigerate for up to 24 hours. When ready to bake, let it sit at room temperature for about 30 minutes before baking as instructed, adding a few extra minutes to the covered baking time if needed.

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