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Overnight Sausage and Egg Breakfast Casserole

Best Overnight Sausage and Egg Breakfast Casserole

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  • Author: Maya Ellison
  • Prep Time: 15 minutes
  • Cook Time: 50 minutes
  • Total Time: Overnight + 1 hour 15 minutes
  • Yield: 8-12 servings
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Description

A hearty make-ahead breakfast casserole featuring cubed bread, browned sausage, eggs, and cheese, perfect for easy mornings.


Ingredients

  • 6 slices bread, cubed
  • 1 lb breakfast sausage, browned and drained
  • 2 cups shredded cheddar cheese
  • 8 large eggs
  • 2 cups milk
  • 1 tsp dry mustard
  • 1 tsp salt
  • Black pepper, to taste


Instructions

  1. Prepare a 9×13 inch baking dish by lightly greasing it. Spread the cubed bread evenly across the bottom of the dish, ensuring good coverage.
  2. Evenly sprinkle the cooked and drained sausage crumbles over the bread layer. Follow with an even layer of shredded cheddar cheese.
  3. In a large measuring cup or bowl, whisk together the eggs, milk, dry mustard, salt, and pepper until thoroughly combined.
  4. Pour the egg mixture evenly over the bread, sausage, and cheese in the baking dish, making sure the bread is well saturated.
  5. Cover the dish tightly with plastic wrap or foil and refrigerate overnight (or for at least 4 hours) to allow the bread to soak up the egg mixture and flavors to meld.
  6. In the morning, before baking, preheat your oven to 325°F (160°C). Remove the casserole from the refrigerator about 30 minutes prior to baking to take off the chill.
  7. Bake the casserole, uncovered, for 45-55 minutes, or until the center is set and golden brown. You may lightly tent it with foil for the first 30 minutes if the top starts to brown too quickly.
  8. Allow the casserole to rest for 5-10 minutes after baking before slicing and serving. This helps it set further and makes for cleaner portions.

Notes

  • This casserole can be refrigerated for up to 24 hours before baking.
  • Serve with fresh fruit or a side salad for a complete breakfast.