If you’re hosting a large brunch or family gathering, a breakfast casserole is an excellent make-ahead option that feeds a crowd with minimal fuss. This hearty dish combines eggs, bread, cheese, and breakfast meats into a savory baked casserole that can be prepared the night before and baked fresh in the morning. Its versatility allows for customization with various ingredients, making it a reliable and crowd-pleasing breakfast solution.
Ingredients
- 2 pounds breakfast sausage (pork, chicken, or turkey), cooked and crumbled
- 2 large loaves of bread (white or whole wheat), cubed (about 24 cups)
- 4 cups shredded cheese (cheddar, Monterey Jack, or a blend)
- 12 large eggs
- 4 cups whole milk or half-and-half
- 2 teaspoons salt
- 1 teaspoon black pepper
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- Optional: 1 cup chopped vegetables (bell peppers, spinach, mushrooms)
- Optional: 1/2 teaspoon red pepper flakes for a spicy kick
Instructions
- Preheat your oven to 350°F (175°C). Grease a large 9×13-inch baking dish or a similar large casserole dish. If your dish isn’t large enough, consider dividing the mixture into two smaller dishes or using a deep roasting pan.
- Cook the breakfast sausage in a large skillet over medium heat until browned and fully cooked, about 8-10 minutes. Drain excess fat and set aside to cool slightly.
- In a large mixing bowl, whisk together the eggs, milk, salt, pepper, garlic powder, onion powder, and red pepper flakes if using. Ensure the mixture is well combined.
- Spread the cubed bread evenly in the prepared baking dish. Sprinkle the cooked sausage over the bread cubes, followed by the chopped vegetables if desired.
- Pour the egg mixture evenly over the bread, sausage, and vegetables, pressing down gently to ensure the bread absorbs the liquid. Sprinkle the shredded cheese evenly on top.
- Cover the dish tightly with plastic wrap or aluminum foil. Refrigerate overnight (8-12 hours) to allow flavors to meld and bread to soak up the custard.
- In the morning, remove the casserole from the refrigerator and let it sit at room temperature for about 15 minutes. Preheat the oven to 350°F (175°C) if not already done.
- Bake uncovered for 45-55 minutes, or until the casserole is puffed, golden, and a toothpick inserted into the center comes out clean. If the top browns too quickly, tent with foil.
- Remove from oven and let rest for 5-10 minutes before slicing and serving. This helps the casserole set and makes serving easier.
Tips
- Substitutions: Use cooked ham, bacon, or vegetarian sausage for different flavor profiles. Dairy-free options like almond milk and dairy-free cheese can be used for allergies or dietary preferences.
- Storage: Cover and refrigerate leftover casserole for up to 3 days. It can also be frozen in individual portions for up to 2 months.
- Common mistakes: Avoid skipping the soaking time; it ensures the bread absorbs the custard. Also, don’t overbake, as it can dry out the casserole.
- Make ahead: Assemble the casserole the night before and bake in the morning for a quick, stress-free breakfast.
Serving Suggestions
Serve the breakfast casserole hot, accompanied by fresh fruit, a side of crispy bacon or sausage links, and a variety of breakfast condiments like salsa or hot sauce. A simple green salad with a tangy vinaigrette can add a refreshing contrast. For added sweetness, pair it with maple syrup or fruit preserves.
Variations
Customize this casserole based on your preferences. Try adding cooked hash browns for extra crunch, swapping out the cheese for feta or mozzarella, or incorporating fresh herbs like parsley or chives. For a southwestern twist, include diced tomatoes, jalapeños, and cumin. Vegetarian versions can omit the sausage and add more vegetables or beans for protein.
Storage and Reheating
Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, slice into portions and microwave on high for 1-2 minutes, or until heated through. For best results, reheat in the oven at 350°F (175°C) for about 10-15 minutes, covered with foil, to prevent drying out. If freezing, reheat directly from frozen in the oven for 20-25 minutes until hot.
Frequently Asked Questions
Can I prepare this casserole the night before?
Yes, assembling the casserole the night before and refrigerating it overnight allows the bread to soak up the custard, resulting in a more flavorful and cohesive dish. Just cover it tightly to prevent it from drying out.
Can I make this casserole gluten-free?
Absolutely. Use gluten-free bread instead of regular bread. Ensure all other ingredients, like sausage and cheese, are gluten-free. Check labels to avoid any hidden gluten sources.
How can I make this dish vegetarian?
Replace the sausage with cooked vegetables, such as bell peppers, spinach, mushrooms, or cooked beans like black beans or chickpeas. Use vegetarian cheese options if necessary. The rest of the recipe remains the same.
What if I don’t have enough time to soak overnight?
While overnight soaking yields the best texture, you can bake the casserole immediately after assembly. Expect the bread to be less absorbed, which may result in a slightly drier texture. To improve absorption, let the mixture sit at room temperature for 30 minutes before baking.
Can I prepare this in a slow cooker?
Yes, you can adapt the recipe for a slow cooker. Layer the ingredients as in the baking dish, pour the custard over, and cook on low for 4-6 hours. Be sure to check for doneness and avoid overfilling the cooker to prevent spills.
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Is this dish suitable for freezing?
Yes, the casserole freezes well. Let it cool completely, then cut into portions, wrap tightly in plastic wrap and foil, and freeze for up to 2 months. Reheat from frozen in the oven at 350°F for 20-25 minutes or until heated through.
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