Breakfast Made for Sharing
If you’re searching for a breakfast casserole that bursts with flavor, is incredibly easy to prepare in advance, and is guaranteed to be a crowd-pleaser, look no further! This is it. This make-ahead breakfast casserole is perfect for Christmas morning, Easter brunch, or any special occasion.
I’ll admit, I have little patience for egg casseroles that are bland and boring. This one is anything but! It features layers of golden, crispy hash browns, savory sausage, a generous helping of sautéed vegetables, sharp cheddar cheese, and a light and airy egg base perfectly seasoned with my favorite secret ingredient—a touch of Old Bay seasoning for that irresistible, zesty kick. The blend of savory goodness and flavorful spices will make this a family favorite. This is the best breakfast casserole recipe!
Each bite is packed with delicious, savory flavors and provides a significant protein boost to kickstart your day. I served this to my family over the holidays, and everyone agreed this recipe was a total success!
I also appreciate how easily it can be prepped up to 24 hours ahead of time. This makes it a fantastic option for accommodating weekend guests, preparing meals in advance, or simply having a comforting and satisfying breakfast ready to go any morning. We particularly enjoy serving slices topped with creamy avocado, which I highly recommend for extra deliciousness.
Alright, let’s get started and make a fantastic breakfast casserole!
Recipe Tips for the Perfect Breakfast Casserole
This breakfast casserole recipe is quite forgiving. However, here are a few tips to help you achieve exceptional results every time and ensure you bake the best breakfast casserole.
- Brown the hash browns thoroughly. Allow the hash browns to sit undisturbed in the skillet until they develop a deep golden-brown color. Then, flip them. Continue tossing and cooking as needed until they are beautifully golden and crispy. This will contribute to the casserole’s overall texture and flavor.
- Choose high-quality breakfast sausage. I prefer breakfast sausage (ground or links) that is already generously seasoned. That said, Italian sausage also works very well in this recipe for a different flavor profile. Consider using different types of sausage for your own twist on this classic casserole recipe.
- Use sharp cheddar cheese. Sharp cheddar delivers significantly more flavor than mild cheese, especially when combined with eggs. The strong flavor profile enhances the overall taste.
- Allow the casserole to rest before slicing. A rest of ten minutes will make a significant difference when it comes to achieving clean, even slices. This allows the casserole to set slightly.
- Tent with foil if needed. If the top of the casserole begins to brown too quickly during baking, loosely cover it with aluminum foil for the last 10–15 minutes to prevent burning.
Breakfast Casserole Recipe Variations
This breakfast casserole recipe is incredibly versatile and can be easily customized to suit your preferences. Here are a few popular ways to mix things up and try different flavor combinations!
- Swap the sausage: Experiment with different types of sausage, such as Italian sausage, chorizo, your favorite chicken sausage, or even cooked bacon or ham. Each will provide a unique flavor dimension.
- Swap the cheese: Consider using Pepper Jack, Monterey Jack, Gruyère, or a sharp white cheddar cheese for a different cheese flavor profile. All of these cheeses melt beautifully and add a distinct taste.
- Add some heat: Incorporate diced green chiles, jalapeños, or a pinch of crushed red pepper flakes to add a spicy kick. You can also opt for spicy sausage to increase the heat level.
- Incorporate vegetables: Add vegetables like zucchini, roasted broccoli, asparagus, or sun-dried tomatoes to boost the nutritional value and add extra flavor.
- Lighten things up: Use turkey sausage and whole milk instead of half-and-half to create a lighter version of the casserole without sacrificing taste.
Frequently Asked Questions (FAQ) About Breakfast Casserole
- Can I make this casserole ahead of time?
- Yes! You can assemble the entire casserole, cover it tightly, and refrigerate it overnight. In the morning, bake as directed, adding an extra 5–10 minutes to the baking time if necessary to ensure it’s cooked through.
- Can I freeze breakfast casserole?
- Absolutely. Bake the casserole completely, allow it to cool thoroughly, then wrap it tightly in plastic wrap and aluminum foil before freezing. Thaw it overnight in the refrigerator before reheating. You can also freeze individual slices for easy, quick breakfasts.
- Can I use fresh potatoes instead of frozen hash browns?
- Yes, you can substitute fresh potatoes. Just shred or dice them, then rinse them thoroughly to remove excess starch. Dry them well and brown them in a skillet before incorporating them into the casserole.
- Can I double this recipe?
- Yes, but for even cooking, bake the doubled recipe in two separate 9×13-inch pans instead of trying to fit everything into one deeper pan.
Breakfast Casserole Recipe
Author: Ali
Prep Time: 25 mins
Cook Time: 45 mins
Total Time: 1 hour 10 mins
Yield: 12 servings
Ingredients:
- 1 pound ground breakfast sausage or pork sausage
- 1 tablespoon olive oil
- 1 small yellow onion, chopped
- 4 cloves garlic, minced
- 2 medium bell peppers, chopped
- 8 ounces baby bella mushrooms, sliced
- 1 large handful fresh baby spinach
- 1 pound shredded or diced hash browns, thawed
- 1 tablespoon Old Bay seasoning
- 12 large eggs
- 1/4 teaspoon freshly-ground black pepper
- 1/2 cup half-and-half
- 2 cups (8 ounces) shredded sharp cheddar cheese
- Optional garnishes: avocado slices, chopped green onions
Instructions:
- Brown the hash browns: Heat olive oil in a skillet. Add hash browns and cook until golden and crispy. Transfer to a greased baking dish.
- Cook the sausage: Cook sausage in the same skillet until browned. Transfer to the baking dish.
- Sauté the veggies: Add onion, bell peppers, and mushrooms to the skillet. Sauté until softened. Add garlic and spinach; cook until wilted. Transfer to the baking dish.
- Mix the eggs: In a bowl, whisk together eggs, pepper, and half-and-half. Stir in 1 1/2 cups of cheddar cheese.
- Add the egg mixture: Pour the egg mixture over the sausage and veggies. Sprinkle remaining cheddar cheese on top.
- Bake: Bake at 350°F (175°C) for 45–55 minutes, or until set. Tent with foil if the top browns too quickly.
- Rest & serve: Let cool for at least 10 minutes before slicing. Garnish and enjoy!
Notes:
If using sausage links, remove casings and crumble.
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