Overnight Breakfast Casserole – Easy Make

I still remember the first time I made this Sausage and Cheddar Overnight Breakfast Casserole. It was Christmas morning, and the aroma of savory sausage, melted cheddar, and baked bread filled the air, creating a cozy, heartwarming atmosphere. The taste was divine – a perfect blend of textures and flavors that instantly made it a family favorite. I also love to prepare Overnight Breakfast Casserole, especially if I am also whipping up some Blueberry French Toast Casserole.

What Makes This Overnight Breakfast Casserole So Special?

What makes this Overnight Breakfast Casserole so special, in my opinion, is how incredibly easy it is to put together the night before. With just 20 minutes of prep time, you can have a delicious and satisfying breakfast ready to bake the next morning. The combination of savory breakfast sausage, hearty cubed bread, and sharp cheddar cheese, along with the creamy egg custard, makes every bite a delight. Plus, with only 45 minutes of cook time, it’s a relatively quick way to feed a crowd or simply treat yourself on a lazy weekend.

The Key Ingredients You’ll Need

When it comes to making my Overnight Breakfast Casserole, the ingredients are everything. Here are a few of my must-haves:

• Breakfast Sausage: I always opt for a high-quality breakfast sausage because it adds a depth of savory flavor that’s hard to beat. You can use mild or spicy, depending on your preference.
• Cheddar Cheese: Sharp cheddar is my go-to for its bold and tangy flavor. It melts beautifully into the casserole and complements the sausage perfectly.
• Cubed Bread: Using a hearty, slightly stale bread ensures it soaks up the egg mixture without becoming soggy. You could also try some Banana Pancakes to start your day off right!

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Sausage and Cheddar Overnight Breakfast Casserole

This Sausage and Cheddar Overnight Breakfast Casserole is the perfect make-ahead breakfast for busy mornings or holiday brunches. It’s packed with savory sausage, sharp cheddar cheese, and a creamy egg custard.

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Prep Time 20 minutes mins

Cook Time 45 minutes mins

Total Time 1 hour hr 5 minutes mins

Servings: 8 servings

Course: Breakfast, Brunch

Cuisine: American

Calories: 450

Ingredients Equipment Method Notes

Ingredients

  

• 1 lb Breakfast Sausage cooked and crumbled
• 6 cups Cubed Bread stale or slightly dried
• 2 cups Cheddar Cheese shredded
• 8 Large Eggs
• 2 cups Milk
• 1/2 cup Heavy Cream
• 1 tsp Dry Mustard
• 1/2 tsp Salt
• 1/4 tsp Black Pepper

Equipment

• 9×13 inch baking dish
• Large Skillet
• Mixing Bowls

Method

 

• Grease a 9×13 inch baking dish.
• In a large skillet, cook the breakfast sausage over medium heat until fully cooked and crumbled. Drain any excess grease.
• In the prepared baking dish, layer half of the cubed bread, followed by half of the cooked sausage and half of the shredded cheddar cheese. Repeat layers with the remaining bread, sausage, and cheese.
• In a large mixing bowl, whisk together the eggs, milk, heavy cream, dry mustard, salt, and pepper until well combined.
• Pour the egg mixture evenly over the bread, sausage, and cheese in the baking dish. Gently press down on the bread to ensure it is soaked with the egg mixture.
• Cover the baking dish tightly with plastic wrap and refrigerate overnight or for at least 8 hours.
• Preheat oven to 350°F (175°C).
• Remove the plastic wrap from the baking dish and bake in the preheated oven for 45-50 minutes, or until the casserole is golden brown and the egg custard is set. A knife inserted into the center should come out clean.
• Let the casserole cool for 10 minutes before slicing and serving.

Notes

For a spicier casserole, use hot breakfast sausage. You can also add chopped vegetables like bell peppers or onions to the sausage while cooking. Leftovers can be stored in the refrigerator for up to 3 days.

How I Make Overnight Breakfast Casserole

Making this Overnight Breakfast Casserole is a breeze! First, I brown the breakfast sausage and set it aside. In a large bowl, I combine the cubed bread, cooked sausage, and cheddar cheese. Then, I whisk together the eggs, milk, heavy cream, dry mustard, salt, and pepper, and pour it over the bread mixture. I make sure everything is well combined, cover it, and let it sit in the fridge overnight. The next morning, I bake it until it’s golden brown and bubbly. And for a little something different, why not try my Corn Fritter Breakfast Sandwiches?

My Tips for the Perfect Outcome

Here are a few extra tips I’ve learned over the years for the perfect Overnight Breakfast Casserole:

• Make sure to use slightly stale bread so it doesn’t get too soggy.
• Don’t skip the dry mustard; it adds a subtle tang that enhances the flavors.
• Allow the casserole to sit for at least 8 hours (or overnight) to ensure the bread fully absorbs the egg mixture.
• Let the casserole rest for a few minutes after baking before slicing and serving.

Serving Suggestions and Storage Tips

I love serving this dish warm, straight from the oven. It’s fantastic on its own, but a side of fresh fruit or a simple green salad complements it nicely. For storage, any leftovers can be kept in an airtight container in the refrigerator for up to 3 days. Reheat individual portions in the microwave or oven until warmed through. For a fun twist on breakfast, consider my Breakfast Pancake Poppers!

FAQs About Overnight Breakfast Casseroles

Can You Freeze Breakfast Casseroles?

Yes, overnight breakfast casseroles can be frozen for later use! Assemble the casserole, wrap it tightly with plastic wrap and foil, and freeze for up to three months. When ready to bake, let it thaw in the fridge overnight before popping it in the oven.

How Long Can You Refrigerate Before Baking?

Most overnight casseroles can be refrigerated for up to 24 hours before baking. This allows the flavors to meld and ensures the bread or potatoes soak up the custard mixture.

Are There Gluten-Free or Dairy-Free Variations?

Absolutely! For a gluten-free version, use gluten-free bread or swap it for potatoes. To make it dairy-free, substitute regular milk with almond or oat milk and use dairy-free cheese options. These tweaks maintain flavor and texture while accommodating dietary restrictions.

Can I Use Nontraditional Ingredients Like Oats or Quinoa?

Yes, you can get creative! Oats and quinoa add unique textures and are excellent for healthier variations. Layer cooked quinoa or steel-cut oats with vegetables and a seasoned egg mixture for a hearty, nutritious breakfast casserole.

How Do You Store Leftover Breakfast Casseroles?

Leftovers from an overnight breakfast casserole are easy to store. Once the casserole has cooled completely, cover it tightly with plastic wrap or transfer portions into an airtight container. It can be stored in the fridge for up to 3–4 days. When reheating, cover the dish with foil and warm it in the oven at 350°F or use the microwave for a quicker option.

What’s the Best Cheese for Breakfast Casseroles?

Cheese can make or break the flavor of your casserole! Cheddar is a popular choice for its sharp and creamy profile. Mozzarella is perfect for those who prefer a milder taste, while feta or goat cheese can add a tangy twist. For a bolder flavor, consider mixing cheeses like Gruyère or Parmesan into your dish.

Can You Make a Casserole Without Eggs?

Yes, egg-free breakfast casseroles are entirely possible! You can replace eggs with a mixture of unsweetened almond milk and nutritional yeast for creaminess. Other options include using mashed potatoes or tofu as a binding agent, especially for vegan-friendly recipes.

What’s the Easiest Way to Reheat a Breakfast Casserole?

The simplest way to reheat a casserole is in the oven at 350°F. Cover the dish with foil to prevent it from drying out. Individual portions can be microwaved for 1–2 minutes, making it convenient for quick breakfasts.

Conclusion

This recipe holds a special place in my heart, and I truly hope it brings as much joy to your table as it does to mine. If you try it, I’d absolutely love to hear what you think and see your creations in the comments below! I hope this Sausage and Cheddar Overnight Breakfast Casserole becomes a regular part of your breakfast recipes rotation.

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