Sausage Breakfast Casserole

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When you want a breakfast that truly satisfies, this Sausage Breakfast Casserole delivers every time. With hearty sausage, fluffy eggs, melty cheese, and bread cubes baked to golden perfection, it’s the kind of dish that brings everyone to the table. It works just as beautifully for a weekend brunch as it does for a make-ahead weekday breakfast.

The best part? You can prepare it the night before, letting the flavors soak in, and simply bake it fresh the next morning. It’s comforting, filling, and endlessly customizable based on what you have on hand. Whether you’re hosting guests or just want a cozy morning treat, this casserole makes it easy.

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What Kind of Sausage Should I Use?

You can use breakfast sausage, Italian sausage, or even spicy chorizo depending on your flavor preferences. Pork sausage is traditional, but turkey sausage also works if you’re looking for a lighter version.

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Ingredients for the Sausage Breakfast Casserole

• 1 pound breakfast sausage
• 6 large eggs
• 2 cups milk
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 1/2 teaspoon dry mustard (optional)
• 6 slices white or sourdough bread, cubed
• 1 1/2 cups shredded cheddar cheese
• Butter for greasing the dish

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How To Make the Sausage Breakfast Casserole

Step 1: Brown the Sausage

In a skillet over medium heat, cook the sausage until fully browned. Drain excess grease and set aside.

Step 2: Prepare the Egg Mixture

In a large mixing bowl, whisk together the eggs, milk, salt, pepper, and dry mustard if using. Mix until well combined.

Step 3: Assemble the Casserole

Grease a 9×13-inch baking dish. Spread the cubed bread evenly in the dish. Top with the cooked sausage and sprinkle the cheese over it. Pour the egg mixture evenly over the entire dish.

Step 4: Let It Rest (Overnight or 30 Minutes)

Cover and refrigerate overnight, or let it sit for at least 30 minutes if baking the same day. This helps the bread absorb the egg mixture.

Step 5: Bake

Preheat oven to 350°F (175°C). Bake the casserole uncovered for 45-50 minutes, or until the top is golden and the center is set. Let it cool for 5 minutes before serving.

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Serving and Storing Sausage Breakfast Casserole

This casserole slices beautifully and pairs well with fresh fruit, hot sauce, or a dollop of sour cream. Leftovers can be stored in an airtight container in the fridge for up to 4 days. Reheat in the oven or microwave until warmed through.

It also freezes well! Wrap tightly in foil and freeze for up to 2 months. Thaw in the fridge overnight before reheating.

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Frequently Asked Questions

Can I make this casserole vegetarian?

Absolutely. Swap the sausage for plant-based sausage or sautéed vegetables like mushrooms, spinach, and bell peppers.

Can I use a different type of bread?

Yes, any sturdy bread will work—try brioche, French bread, or whole wheat for a flavor twist.

Can I add vegetables?

Definitely! Chopped bell peppers, onions, spinach, or even zucchini make great add-ins.

What’s the best cheese to use?

Cheddar is classic, but pepper jack, Swiss, or a blend of cheeses work wonderfully.

How do I know it’s done baking?

The center should be set and not jiggly. A knife inserted in the middle should come out clean.

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Want More Casserole Ideas?

If this Sausage Breakfast Casserole hits the spot, you might love these other cozy casserole creations:

• Chicken Cordon Bleu Casserole for creamy, cheesy comfort.
• The Ultimate Taco Casserole if you’re craving bold, zesty flavors.
• Cheesy Mexican Rice Casserole packed with spice and satisfying texture.
• Cottage Cheese Egg Bake for another protein-packed breakfast.
• Easy Tuna Noodle Casserole when you want a creamy classic.

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Save This Pin + Share Your Results

📌 Save this recipe to your Pinterest breakfast board so it’s handy when morning hunger strikes.

I’d love to hear how your Sausage Breakfast Casserole turned out! Did you make it the night before or bake it right away? Add anything extra like veggies or switch up the cheese?

Let’s share our tips—every twist makes this dish even more delicious.

More breakfast inspiration is always popping up on my Pinterest at Nina Dishes.

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