Do Ahead Breakfast Casserole
Start your day off right with this flavorful and easy-to-make Do Ahead Breakfast Casserole, a hearty dish that’s perfect for busy mornings or crowd-pleasing brunches. Packed with savory breakfast sausage, layers of fluffy bread, melty cheddar cheese, and customizable add-ins like vibrant bell peppers or nutritious spinach, this casserole is a meal prep dream come true. Simply whisk together eggs, milk, and a touch of seasoning, assemble everything in a greased baking dish, and let it chill in the fridge overnight to soak up all the flavors. The next morning, all you have to do is bake it to golden, bubbly perfection. With minimal effort and maximum flavor, this breakfast casserole is an ideal make-ahead recipe for gatherings or a week of stress-free, satisfying breakfasts. Serve it warm with fresh fruit or a side of crispy bacon for the ultimate morning feast!
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Recipe Information
Ingredients
- 1 pound breakfast sausage
- 6 pieces bread slices
- 2 cups shredded cheddar cheese
- 8 pieces large eggs
- 2 cups whole milk
- 1 teaspoon salt
- 0.5 teaspoon ground black pepper
- 0.5 teaspoon onion powder (optional)
- 1 cup diced bell peppers (optional)
- 1 cup chopped spinach (optional)
- 1 tablespoon butter (for greasing the dish)
Instructions
In a large skillet over medium heat, cook the breakfast sausage until completely browned and crumbled, about 8 minutes. Drain any excess grease and set the sausage aside to cool slightly.
Lightly grease a 9 x 13-inch baking dish with butter.
Layer the bottom of the prepared dish with the bread slices, ensuring there are no large gaps. You can tear the bread into slightly smaller pieces to fit if needed.
Sprinkle the cooked sausage evenly over the bread layer.
Add an even layer of shredded cheddar cheese over the sausage.
If using optional ingredients (such as diced bell peppers or chopped spinach), sprinkle them over the cheese layer.
In a large mixing bowl, whisk together the eggs, milk, salt, pepper, and onion powder (if using) until fully combined.
Slowly pour the egg mixture over the bread, sausage, and cheese layers, ensuring the egg mixture covers everything evenly.
Cover the casserole tightly with plastic wrap or foil and refrigerate for at least 4 hours, preferably overnight.
When ready to bake, preheat your oven to 350°F (175°C).
Remove the casserole from the refrigerator and discard the plastic wrap or foil.
Bake the casserole uncovered for 45-50 minutes, or until the top is golden brown and the center is set. To test doneness, insert a knife or toothpick in the middle; it should come out clean.
Let the casserole cool for 5-10 minutes before slicing and serving. Enjoy!
Nutrition Facts
Calories |
4180 | ||
|---|---|---|---|
% Daily Value* |
|||
| Total Fat | 278.9 g | 358% | |
| Saturated Fat | 125.4 g | 627% | |
| Polyunsaturated Fat | 0.0 g | ||
| Cholesterol | 2153 mg | 718% | |
| Sodium | 9237 mg | 402% | |
| Total Carbohydrate | 187.1 g | 68% | |
| Dietary Fiber | 15.7 g | 56% | |
| Total Sugars | 54.2 g | ||
| Protein | 224.4 g | 449% | |
| Vitamin D | 16.9 mcg | 85% | |
| Calcium | 2930 mg | 225% | |
| Iron | 27.9 mg | 155% | |
| Potassium | 4437 mg | 94% | |
*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.
