Overnight Breakfast Casserole

User Reviews

4.7

90 reviews
Excellent
  • Prep Time

    15 mins

  • Cook Time

    1 hr

  • Total Time

    1 hr 15 mins

  • Servings

    8

  • Calories

    572 kcal

  • Course

    Breakfast, Brunch

  • Cuisine

    American

Overnight Breakfast Casserole

This Overnight Breakfast Casserole is not only a crowd-pleaser but also a cook-pleaser because it's so simple to make! For a special occasion or for any average day, this hearty delicious breakfast casserole is guaranteed to start anyone's day off with a smile!

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Ingredients

Servings
  • 12 slices bread such as challah, brioche or any egg bread, preferably day old bread
  • 1 tablespoon olive oil
  • 1 large onion chopped
  • 1 pound Italian sausage casings removed
  • 1 teaspoon dry mustard
  • ½ teaspoon salt or to taste
  • ½ teaspoon pepper or to taste
  • 1 medium red bell pepper finely chopped
  • 3 green onions chopped
  • 2 cups cheddar cheese shredded
  • 8 large eggs
  • 2 cups milk
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Instructions

  1. Preheat oven: To 300℉.
  2. Prepare bread: Cut the bread into cubes and place them onto a baking sheet. Place the bread into the oven and bake for 10 minutes, just enough to dry the bread out but not toast it. Remove from the oven and set aside.
  3. Prepare sausage: In a large skillet, heat the olive oil over medium heat. Add the onion and sausage and cook until onion has softened and sausage is cooked through. Use a wooden spoon to break up the sausage as it cooks. Finally, season with salt and pepper and dry mustard.
  4. Build casserole: Add half the bread cubes to a 9 x 13 inch casserole dish and top with half of the cooked onions and sausage. Next, add half the chopped bell pepper, chopped green onions, and 1 cup of shredded cheese. Repeat layers with remaining bread, onion, sausage, bell peppers, green onions, and cheese.
  5. Prepare the eggs: In a bowl whisk together the eggs and milk and pour over the casserole evenly. Finally, cover the casserole dish with aluminum foil and put in the fridge overnight.
  6. Bake and serve: The next morning, preheat the oven to 350 °F and remove the foil from the casserole dish. Place into the oven and bake for 50 to 55 minutes. You'll know the casserole is done if you insert a knife in the centre and if it comes clean, it's done. Serve hot!

Notes

  • Overnight breakfast casserole will last in the fridge for up to 4 days when properly sealed in an airtight container.
  • To extend the shelf life of the breakfast casserole I recommend putting into the freezer. Stored properly in an airtight container, it will last anywhere from 3 - 6 months frozen!

Nutrition Information

Show Details
Serving 1piece Calories 572kcal (29%) Carbohydrates 28g (9%) Protein 29g (58%) Fat 38g (58%) Saturated Fat 16g (80%) Cholesterol 290mg (97%) Sodium 1062mg (44%) Potassium 478mg (14%) Fiber 3g (12%) Sugar 8g (16%) Vitamin A 1199IU (24%) Vitamin C 22mg (24%) Calcium 380mg (38%) Iron 4mg (22%)

Nutrition Facts

Serving: 8Serving

Amount Per Serving

Calories 572 kcal

% Daily Value*

Serving 1piece
Calories 572kcal 29%
Carbohydrates 28g 9%
Protein 29g 58%
Fat 38g 58%
Saturated Fat 16g 80%
Cholesterol 290mg 97%
Sodium 1062mg 44%
Potassium 478mg 10%
Fiber 3g 12%
Sugar 8g 16%
Vitamin A 1199IU 24%
Vitamin C 22mg 24%
Calcium 380mg 38%
Iron 4mg 22%

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

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Overall Rating

4.7

90 reviews
Excellent

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