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overnight breakfast casserole magic

Hearty Overnight Breakfast Casserole

This hearty overnight breakfast casserole transforms simple ingredients into pure morning magic! Layer bread, cheese, and crispy meats with a custardy egg mixture, refrigerate overnight, then wake up to an effortless, crowd-pleasing breakfast that bakes to golden perfection.
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Course: Breakfast
Cuisine: American
Keyword: Casserole
Prep Time: 20 minutes
Cook Time: 55 minutes
Chilling: 8 hours
Total Time: 9 hours 15 minutes
Servings: 8
Calories: 485kcal

Ingredients

  • 7 slices white bread crusts trimmed and cut into cubes
  • 8 ounces cheddar cheese shredded
  • 6 large eggs
  • 3 cups whole milk
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 teaspoon dry mustard
  • 1/2 lb bacon diced and fried crisp
  • 1/2 lb mild breakfast sausage fried crisp

Instructions

  • Trim crusts from bread and cut into cubes. Arrange bread cubes in bottom of greased 12x7 inch casserole dish.
  • Sprinkle shredded cheddar cheese evenly over bread cubes.
  • In large bowl, beat eggs until well combined. Add milk and mix thoroughly.
  • Stir salt, pepper, and dry mustard into egg mixture until dissolved.
  • Add crispy bacon and sausage to egg mixture, stirring until well blended.
  • Pour egg mixture over cheese and bread in casserole dish.
  • Cover tightly with foil and refrigerate overnight (at least 8 hours).
  • Remove from refrigerator 30 minutes before baking. Preheat oven to 350°F.
  • Bake covered for 50-55 minutes until center is set and top is golden brown.
  • Let stand 5 minutes before serving.

Notes

  • Use day-old bread for better texture and absorption
  • Cook bacon and sausage completely crisp to prevent soggy casserole
  • Can substitute different cheese varieties like Swiss, Gruyere, or pepper jack
  • Make up to 2 days ahead for ultimate convenience
  • Leftovers reheat beautifully in microwave or low oven
  • Double recipe easily fits in 9x13 inch dish for larger crowds
  • Add vegetables like bell peppers or onions with the meat if desired

Nutrition

Serving: 1cup | Calories: 485kcal | Carbohydrates: 18g | Protein: 28g | Fat: 34g | Saturated Fat: 15g | Cholesterol: 215mg | Sodium: 920mg | Potassium: 380mg | Fiber: 1g | Sugar: 8g