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sausage and egg breakfast casserole in a dish and on a plate

Sausage and Egg Overnight Breakfast Casserole

Sausage and egg breakfast casserole is a baked eggs casserole with pork sausage, onions, cheddar cheese, and spices, baked together with cubes of whole grain bread. This delicious breakfast casserole recipe is sometimes known as a breakfast strata.
Course Breakfast
Cuisine American
Prep Time 15 minutes
Cook Time 1 hour
Total Time 1 hour 15 minutes
Servings 12
Calories 396kcal
Author Amee


  • 4 cups sprouted grain, whole-grain or gluten-free bread cubes depending on your dietary preference, remove crust and tear bread into small pieces
  • 8 oz sharp cheddar cheese shredded (use a block of cheese and shred for best flavor)
  • 1 cup chopped onion
  • 2 teaspoon dry mustard
  • 2 lbs medium pork sausage browned and drained
  • 12 eggs slightly beaten
  • 4 cups whole milk
  • sea salt and pepper to taste


  • Cook sausage and onion, drain, crumble and set aside.  In a large bowl, beat eggs and add milk, cheese, salt and pepper, dry mustard and sausage/onion mixture.
  •  Spray a 9x13 baking dish with olive oil spray and place bread cubes in the bottom of the pan (make sure that cubes are in small pieces.)  
  • Pour egg mixture on top.  Cover and refrigerate overnight.  
  • The next morning, preheat the oven to 350 degrees.  Bake casserole, uncovered, for 1 hour.  


Calories: 396kcal | Carbohydrates: 14g | Protein: 22g | Fat: 28g