Overnight Breakfast Casserole
Start your morning stress-free with this hearty and flavorful Overnight Breakfast Casserole, the ultimate make-ahead brunch recipe! Packed with savory Italian sausage, fluffy eggs, melty cheddar cheese, and cubes of bread soaked in a perfectly seasoned custard, this dish is prepped the night before and baked to golden perfection in the morning. A sprinkling of fresh green onions adds a burst of color and freshness, while the customizable ingredients make it easy to tailor to your taste. Perfect for holiday mornings, weekend gatherings, or meal prep, this casserole brings a comforting blend of textures and flavors to every bite. With just 20 minutes of prep time and the ease of overnight refrigeration, this breakfast classic is as convenient as it is delicious.
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Recipe Information
Ingredients
- 1 pound Italian sausage (or breakfast sausage)
- 8 Large eggs
- 2 cups Whole milk
- 1 teaspoon Salt
- 0.5 teaspoon Ground black pepper
- 1 teaspoon Dried mustard powder
- 6 cups White or whole-wheat bread, cubed (1-inch pieces)
- 2 cups Shredded cheddar cheese
- 3 Green onions, sliced
- 1 tablespoon Butter (for greasing the baking dish)
Instructions
Grease a 9x13 inch baking dish with the butter and set aside.
In a large skillet over medium heat, crumble and cook the sausage until browned and cooked through. Drain any excess fat and set aside to cool slightly.
In a large mixing bowl, whisk together the eggs, milk, salt, pepper, and mustard powder until well combined.
Add the cubed bread to the prepared baking dish, spreading it out evenly.
Sprinkle the cooked sausage evenly over the bread cubes, followed by 1 1/2 cups of shredded cheddar cheese and half of the sliced green onions.
Pour the egg mixture evenly over the top, pressing down gently to ensure all the bread is soaked with the liquid.
Cover the baking dish tightly with plastic wrap or foil and refrigerate overnight, or at least 6 hours.
When ready to bake, preheat the oven to 350°F (175°C). Remove the casserole from the refrigerator and let it sit at room temperature while the oven preheats.
Uncover the dish and sprinkle the remaining 1/2 cup of cheddar cheese on top.
Bake in the preheated oven for 40-45 minutes, or until the top is golden brown, the edges are set, and the center is cooked through (a knife inserted into the center should come out clean).
Remove from the oven and allow the casserole to cool for 5 minutes. Garnish with the remaining green onions before slicing and serving.
Nutrition Facts
Calories |
668 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 33.3 g | 43% | |
| Saturated Fat | 14.6 g | 73% | |
| Polyunsaturated Fat | 0.0 g | ||
| Cholesterol | 252 mg | 84% | |
| Sodium | 1418 mg | 62% | |
| Total Carbohydrate | 62.1 g | 23% | |
| Dietary Fiber | 4.1 g | 15% | |
| Total Sugars | 11.1 g | ||
| Protein | 32.0 g | 64% | |
| Vitamin D | 1.8 mcg | 9% | |
| Calcium | 390 mg | 30% | |
| Iron | 4.8 mg | 26% | |
| Potassium | 422 mg | 9% | |
*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.
