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Overnight Crockpot Christmas Breakfast Casserole

This overnight crockpot breakfast casserole layers fluffy eggs, melted cheese, hash browns, and sausage for a stress-free holiday breakfast. Prep the night before and wake up to amazing aromas.
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Prep Time 20 minutes
Cook Time 8 hours
Total Time 8 hours 20 minutes
Servings: 8 portions
Course: Breakfast, Brunch
Cuisine: American
Calories: 485
Ingredients Equipment Method Notes

Ingredients
  

  • 12 eggs
  • 1 cup milk
  • 2 pounds hash brown potatoes shredded
  • 1 pound bulk breakfast sausage cooked and drained
  • 1/2 cup onions diced
  • 1/2 cup bell peppers red and green, diced
  • 1 1/2 cups cheddar cheese shredded from a block
  • 1 1/2 cups pepper jack cheese shredded from a block
  • 1 teaspoon kosher salt use half as much if using table salt
  • 1/2 teaspoon black pepper
  • No-stick cooking spray

Equipment

  • Crockpot or slow cooker
  • large bowl
  • whisk

Method
 

  1. Spray the inside of the crockpot generously with nonstick cooking spray and set aside.
  2. Mix the cheddar and pepper jack cheeses together in a bowl and set aside.
  3. Combine the cooked sausage, diced onions, and diced peppers in another bowl and set aside.
  4. Beat the eggs in a large bowl with a whisk until well blended.
  5. Whisk the milk, kosher salt, and black pepper into the beaten eggs and set aside.
  6. Layer one-third of the hash browns in the bottom of the prepared crockpot.
  7. Sprinkle one-third of the sausage mixture over the hash browns, then top with 1 cup of the mixed cheese.
  8. Repeat the layering process two more times (hash browns, sausage mixture, cheese) to create 3 complete layers.
  9. Pour the egg mixture evenly over the top of all the layers.
  10. Top with remaining cheese, cover, and cook on low for 8 hours without opening the lid.

Notes

Can be assembled and refrigerated up to 12 hours before cooking. If starting cold from the refrigerator, add 30 minutes to cooking time. For easier cleanup, use a slow cooker liner. Serve with hot sauce, sour cream, salsa, or ketchup. Leftovers can be frozen in individual portions for up to 3 months.