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Christmas Overnight Breakfast Casserole Recipe

Start a new Christmas tradition with a delightful Overnight Breakfast Casserole! This easy-to-make dish is packed with savory ingredients.

Prep Time
10 mins
Cook Time
10 mins
Chilling Time
8 hrs 30 mins
Total Time
9 hrs 35 mins
Servings: 8
Calories: 386 kcal
Course: Breakfast
Cuisine: American

Ingredients

  • 9 eggs
  • 3 cups milk
  • 2 teaspoons Dijon mustard
  • 1 pound diced ham
  • 1 onion diced
  • 1 green bell pepper diced, divided
  • 1 red bell pepper diced, divided
  • 9 slices white bread torn into pieces
  • 1 cup shredded sharp cheddar cheese
  • 1 cup shredded pepper jack cheese
  • Green onions for garnish

Instructions

    Cup of Yum
  1. Whisk together your eggs, milk, and Dijon mustard in a medium bowl.
  2. Reserve a quarter of your diced red and green bell pepper.
  3. Add ham, onion, peppers, and bread to the egg mixture.
  4. Butter or spray a 9x13 casserole dish. Pour in the mixture.
  5. Top the casserole with the cheeses and the reserved bell peppers.
  6. Cover with plastic wrap and place in the fridge overnight or up to 12 hours.
  7. When ready to bake, preheat oven to 350 degrees. Let the casserole sit on the counter for 30 minutes to take the chill off while the oven preheats.
  8. Bake the casserole at 350 for 55-60 minutes. If it begins to brown too quickly, cover it with foil.

Notes

  • Store leftovers in the fridge for up to 5 days.
  • You can swap out the meat in this dish; try it with breakfast sausage or bacon!
  • You can spice this up by adding diced jalapenos or green chiles.
  • Use whatever cheese you like. Swiss also works well.
  • I use sandwich bread, but any bread would work. Try croissants, Italian bread, or brioche, or add more than one kind of bread!
  • Store leftovers in the fridge for up to 5 days.
  • You can swap out the meat in this dish; try it with breakfast sausage or bacon!
  • You can spice this up by adding diced jalapenos or green chiles.
  • Use whatever cheese you like. Swiss also works well.
  • I use sandwich bread, but any bread would work. Try croissants, Italian bread, or brioche, or add more than one kind of bread!

Nutrition Information

Calories 386kcal (19%) Carbohydrates 23g (8%) Protein 29g (58%) Fat 20g (31%) Saturated Fat 9g (45%) Polyunsaturated Fat 2g Monounsaturated Fat 5g Trans Fat 0.03g Cholesterol 252mg (84%) Sodium 1171mg (49%) Potassium 340mg (10%) Fiber 2g (8%) Sugar 9g (18%) Vitamin A 1188IU (24%) Vitamin C 32mg (36%) Calcium 411mg (41%) Iron 2mg (11%)

Nutrition Facts

Serving: 8Serving

Amount Per Serving

Calories 386

% Daily Value*

Calories 386kcal 19%
Carbohydrates 23g 8%
Protein 29g 58%
Fat 20g 31%
Saturated Fat 9g 45%
Polyunsaturated Fat 2g 12%
Monounsaturated Fat 5g 25%
Trans Fat 0.03g 2%
Cholesterol 252mg 84%
Sodium 1171mg 49%
Potassium 340mg 7%
Fiber 2g 8%
Sugar 9g 18%
Vitamin A 1188IU 24%
Vitamin C 32mg 36%
Calcium 411mg 41%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.