Classic Sausage and Egg Casserole

There is something incredibly nostalgic about the smell of a savory Sausage and Egg Casserole baking in the oven on a slow morning. As the edges of the eggs puff up and the cheese turns that perfect golden-brown, the kitchen fills with the hearty, salt-of-the-earth aroma of browned breakfast sausage. It’s the kind of dish that makes everyone migrate toward the kitchen before the timer even goes off.

Serving this up is always a joy because of those beautiful, distinct layers. You get the richness of the eggs, the savory bite of the sausage, and that gooey, melted cheese pull that ties it all together. It’s thick, satisfying, and feels like a proper celebratory breakfast without requiring you to stand over a stove flipping individual omelets while everyone else is chatting at the table.

Why You’ll Love It

• Stress-Free Mornings: You can assemble this entirely the night before and just slide it into the oven when you wake up.
• Perfect for Groups: It easily feeds a crowd, making it my go-to for holiday brunches or hosting out-of-town guests.
• High Protein: This dish is packed with protein from the eggs and sausage, keeping everyone full until a late lunch.
• Customizable Base: It’s a “clean out the fridge” champion—you can add almost any vegetable or cheese you have on hand.
• Reheats Like a Dream: Leftovers stay moist and flavorful, making it a great option for a grab-and-go weekday breakfast.

Ingredient Notes & Details

• Breakfast Sausage: Use a high-quality ground pork sausage. I prefer “mild” for the kids, but “hot” or “sage-infused” adds a wonderful depth of flavor.
• Eggs: Large, fresh eggs are the backbone here. They provide the lift and that signature custard-like texture.
• Cheese: Sharp cheddar is the classic choice for that bold flavor, but a mix of mozzarella and monterey jack creates a superior melt.
• Milk or Cream: Using whole milk or a splash of heavy cream ensures the eggs stay tender and don’t become rubbery during the bake.
• Bread (Optional): Many versions use cubed stale bread or croissants at the bottom to soak up the egg mixture and create a sturdier base.

Substitutions: * Meat: Swap pork sausage for turkey sausage or even vegetarian crumbles to lighten the dish.

• Dairy: You can use unsweetened almond milk and a dairy-free cheese alternative if needed.

Step-by-Step Instructions

Success with this casserole starts with the sausage. You want to brown it thoroughly in a skillet, breaking it into small crumbles so that every bite of the casserole is evenly seasoned. Make sure to drain the excess grease well; otherwise, the bottom of your casserole can become oily.

Next, whisk your eggs with the milk and seasonings—don’t be afraid to be vigorous here, as you want plenty of air incorporated for a fluffy result. If you’re using bread, layer it in the bottom of a greased baking dish first, followed by the cooked sausage and a generous layer of cheese. Pour the egg mixture slowly over the top, giving it a moment to seep into all the nooks and crannies.

Bake until the center is set and no longer jiggles when you gently shake the pan. If the top is browning too quickly, a loose tent of foil will protect it while the eggs finish cooking through.

Tips

• The Overnight Soak: If using bread, let the casserole sit in the fridge for at least 4 hours (or overnight). This allows the bread to fully hydrate for a pudding-like texture.
• Don’t Overbake: Eggs continue to cook after they leave the oven. Pull it out when the center is just barely firm to avoid a dry texture.
• Vegetable Prep: If adding veggies like peppers or onions, sauté them with the sausage first to remove excess moisture.
• Seasoning Layers: Season the egg mixture well with salt, pepper, and a pinch of mustard powder to enhance the cheesiness.
• Let it Rest: Allow the casserole to sit for 5–10 minutes after baking. This makes it much easier to cut into clean, beautiful squares.

Storage & Reheating

• Storage: Keep leftovers in an airtight container in the refrigerator for up to 3 to 4 days.
• Freezing: This casserole freezes beautifully. Slice it into individual portions, wrap tightly, and freeze for up to 2 months.
• Reheating: For best results, reheat in the oven at 350°F until warmed through, or use the microwave on medium power for 1–2 minutes per slice.

Serving & FAQs

What should I serve on the side? A bright fruit salad or a simple green salad with a lemon vinaigrette helps balance the richness of the eggs and sausage.

Can I make this without bread? Yes! It becomes more like a crustless quiche or a frittata. Just reduce the milk slightly to ensure the eggs set firmly.

📖 Recipe

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Classic Sausage and Egg Casserole

There is something incredibly nostalgic about the smell of a savory Sausage and Egg Casserole baking in the oven on a slow morning. As the edges of the eggs puff up and the cheese turns that perfect golden-brown, the kitchen fills with the hearty, salt-of-the-earth aroma of browned breakfast sausage.

Course Breakfast, Brunch, Lunch

Cuisine American

Prep Time 15 minutes minutes

Cook Time 42 minutes minutes

Total Time 57 minutes minutes

Servings 8

Ingredients

• 1 lb ground breakfast sausage
• 10 large eggs
• 2 cups whole milk
• 2 cups shredded sharp cheddar cheese
• 6 cups cubed sourdough or French bread optional
• 1 tsp salt
• ½ tsp black pepper
• ½ tsp garlic powder
• Fresh parsley for garnish

Instructions

• In a large skillet over medium-high heat, brown the sausage until fully cooked. Drain grease and set aside.
• Grease a 9×13 inch baking dish. If using bread, spread the cubes evenly across the bottom.
• Top the bread (or the bottom of the dish) with the cooked sausage and 1.5 cups of the cheese.
• In a large bowl, whisk together eggs, milk, salt, pepper, and garlic powder until well combined.
• Pour the egg mixture evenly over the sausage and cheese.
• Sprinkle the remaining ½ cup of cheese on top.
• Bake at 350°F for 40–45 minutes, or until the eggs are set and the top is golden.
• Garnish with fresh parsley and let rest for 10 minutes before slicing.