Breakfast Bakes

Sausage and Egg Breakfast Casserole

Name: Sausage and Egg Breakfast Casserole
Prep time: 20 min
Cook time: 35 min
Total time: 55 min
Yield: 6 servings
Ingredients: 1 lb (450g) sweet Italian sausage, casings removed; 6 large eggs; 1 cup (115g) shredded cheddar cheese; 1/2 cup (55g) grated Parmesan cheese; 1 cup (120g) breadcrumbs; 1/4 cup (55g) chopped fresh parsley; 2 tbsp (30g) olive oil; Salt and pepper to taste; 1 tsp (5g) dried oregano; 1/2 tsp (2g) garlic powder; 1/4 tsp (1g) cayenne pepper

By Carol Bennett · June 18, 2026 · Breakfast Bakes

Prep20 min

Cook35 min

Total55 min

Serves6

Sausage and Egg Breakfast Casserole — Golden brown casserole

There's something special about a warm, comforting casserole on a lazy Sunday morning, surrounded by loved ones. As a Midwestern girl, I grew up with a love for hearty, one-dish meals that bring people together. My sausage and egg breakfast casserole is a staple in our household, and I'm excited to share it with you.

This recipe has been perfected over the years, with a focus on achieving the perfect balance of textures and flavors. The combination of crispy, golden-brown sausage, creamy eggs, and melted cheese is absolute perfection. And the best part? It's incredibly easy to make, even for a crowd.

I remember my grandmother making a similar casserole for our family gatherings, and it was always the first dish to disappear. She'd spend hours in the kitchen, carefully preparing each ingredient and layering them to perfection. While my version may not be entirely from scratch, it's still made with love and care, and I'm confident you'll love it just as much as we do.

This casserole is perfect for a cozy morning with family and friends, and it's also a great option for a brunch or breakfast gathering. You can easily double or triple the recipe to feed a larger crowd, and it's sure to be a hit. So go ahead, give it a try, and let me know what you think!

As you read through this recipe, you'll notice that I've included some tips and tricks to help you achieve the perfect casserole. From the type of sausage to use to the importance of not overmixing the eggs, I've got you covered. So let's get started and make a delicious sausage and egg breakfast casserole that's sure to become a new favorite in your household.

Why You’ll Love This Recipe

This casserole is incredibly easy to make, even for a crowd.
The combination of crispy sausage, creamy eggs, and melted cheese is absolute perfection.
It's a great option for a brunch or breakfast gathering, and can be easily doubled or tripled to feed a larger crowd.
The casserole can be made ahead of time and refrigerated or frozen for later use.
It's a budget-friendly option that's perfect for families or large groups.
The recipe is highly customizable, so you can add your own favorite ingredients or spices to make it your own.

Why This Recipe Works

The key to a great casserole is layering the ingredients in a way that allows each component to shine. In this recipe, we start with a layer of crispy sausage, which adds a nice texture and flavor to the dish. Next, we add a layer of creamy eggs, which help to bind the casserole together and add moisture. Finally, we top it all off with a layer of melted cheese and crispy breadcrumbs, which add a nice crunch and flavor to the dish.

Another important aspect of this recipe is the use of heat control. By baking the casserole in a moderate oven, we can ensure that the eggs are cooked to a safe temperature without overcooking the sausage or cheese. This also helps to prevent the casserole from drying out, which can be a common problem with breakfast dishes.

The type of sausage used is also crucial, as it adds a lot of flavor to the dish. I recommend using a high-quality sausage that's made with pork and has a nice balance of spices. You can also use other types of sausage, such as chorizo or Italian sausage, to give the dish a different flavor profile.

Finally, the resting time is important, as it allows the casserole to set and the flavors to meld together. This helps to create a cohesive dish that's both delicious and visually appealing.

Ingredients You’ll Need

When it comes to making a great casserole, the ingredients are just as important as the technique. For this recipe, you'll need a few key ingredients, including sausage, eggs, cheese, and breadcrumbs. You'll also need some basic pantry staples, such as salt, pepper, and olive oil.

One of the most important things to keep in mind when shopping for ingredients is to choose high-quality items that will add flavor and texture to the dish. For example, look for sausage that's made with pork and has a nice balance of spices. You should also choose a good quality cheese that will melt well and add a nice flavor to the dish.

1 lb (450g) sweet Italian sausage, casings removedI recommend using a high-quality sausage that's made with pork and has a nice balance of spices. You can also use other types of sausage, such as chorizo or breakfast sausage, to give the dish a different flavor profile.
6 large eggsFresh eggs are best for this recipe, as they will have a better texture and flavor. You can also use egg substitutes, such as egg beaters or egg replacers, if you prefer.
1 cup (115g) shredded cheddar cheeseA good quality cheese is essential for this recipe, as it will add a nice flavor and texture to the dish. You can also use other types of cheese, such as mozzarella or Parmesan, to give the dish a different flavor profile.
1/2 cup (55g) grated Parmesan cheeseParmesan cheese adds a nice salty flavor to the dish, and helps to balance out the richness of the sausage and eggs. You can also use other types of cheese, such as Asiago or Romano, to give the dish a different flavor profile.
1 cup (120g) breadcrumbsBreadcrumbs add a nice crunch to the dish, and help to balance out the texture of the casserole. You can use plain breadcrumbs or seasoned breadcrumbs, depending on your preference.
1/4 cup (55g) chopped fresh parsleyFresh parsley adds a nice fresh flavor to the dish, and helps to balance out the richness of the sausage and eggs. You can also use other herbs, such as basil or thyme, to give the dish a different flavor profile.
2 tbsp (30g) olive oilOlive oil is used to cook the sausage and add flavor to the dish. You can also use other types of oil, such as coconut oil or avocado oil, depending on your preference.
Salt and pepper to tasteSalt and pepper are used to season the dish and add flavor. You can adjust the amount to taste, depending on your preference.
1 tsp (5g) dried oreganoDried oregano adds a nice earthy flavor to the dish, and helps to balance out the richness of the sausage and eggs. You can also use other herbs, such as thyme or rosemary, to give the dish a different flavor profile.
1/2 tsp (2g) garlic powderGarlic powder adds a nice savory flavor to the dish, and helps to balance out the richness of the sausage and eggs. You can also use other seasonings, such as onion powder or paprika, to give the dish a different flavor profile.
1/4 tsp (1g) cayenne pepperCayenne pepper adds a nice spicy kick to the dish, and helps to balance out the richness of the sausage and eggs. You can adjust the amount to taste, depending on your preference.

Ingredients for Sausage and Egg Breakfast Casserole

Equipment You’ll Need

Large skillet or sauté panCutting boardSharp knifeMeasuring cups and spoonsWhisk9x13 inch baking dish

How to Make Sausage and Egg Breakfast Casserole

1
Preheat your oven to 350°F (180°C).
2
Cook the sausage in a large skillet over medium-high heat, breaking it up with a spoon as it cooks, until it is no longer pink, about 5-7 minutes.
3
Remove the cooked sausage from the skillet with a slotted spoon and transfer it to a plate. Leave the drippings in the skillet.
4
Add the olive oil to the skillet and cook over medium heat until it is hot. Add the chopped parsley and cook until it is fragrant, about 1 minute.
5
In a large bowl, whisk together the eggs, salt, pepper, oregano, garlic powder, and cayenne pepper.
6
Add the cooked sausage, shredded cheese, and grated Parmesan cheese to the bowl with the eggs. Stir until the ingredients are well combined.
7
Add the breadcrumbs to the bowl and stir until they are evenly distributed.
8
Pour the egg mixture into a 9x13 inch baking dish and smooth the top.
9
Bake the casserole in the preheated oven for 35-40 minutes, or until the eggs are set and the top is golden brown.
10
Remove the casserole from the oven and let it rest for 10-15 minutes before slicing and serving.
11
Serve the casserole hot, garnished with additional parsley if desired.

Expert Tips

Use high-quality ingredients, such as fresh eggs and good quality cheese, to ensure the best flavor and texture.
Don't overmix the egg mixture, as this can make the casserole tough and dense.
Let the casserole rest for 10-15 minutes before slicing and serving, as this will help the eggs to set and the flavors to meld together.
You can customize the recipe by adding your own favorite ingredients, such as diced bell peppers or chopped ham.
The casserole can be made ahead of time and refrigerated or frozen for later use.
To reheat the casserole, cover it with foil and bake it in a preheated oven at 350°F (180°C) for 20-25 minutes, or until it is hot and the eggs are set.
You can also reheat the casserole in the microwave, but be careful not to overcook it, as this can make it dry and tough.

Common Mistakes to Avoid

Overmixing the egg mixture, which can make the casserole tough and dense.
Not cooking the sausage enough, which can make it pink and undercooked in the finished casserole.
Not letting the casserole rest before slicing and serving, which can make it difficult to slice and can result in a messy presentation.
Using low-quality ingredients, which can affect the flavor and texture of the finished casserole.
Not baking the casserole long enough, which can result in undercooked eggs and a soggy texture.
Not using enough cheese, which can make the casserole dry and flavorless.

Variations and Substitutions

Add diced bell peppers or chopped ham to the egg mixture for added flavor and texture.
Use different types of cheese, such as mozzarella or feta, to give the casserole a unique flavor profile.
Add some heat to the casserole by using spicy sausage or adding diced jalapenos to the egg mixture.
Use gluten-free breadcrumbs or crackers to make the casserole gluten-free.
Add some fresh herbs, such as basil or thyme, to the egg mixture for added flavor and fragrance.
Use leftover cooked sausage or bacon to make the casserole, which can be a great way to use up leftover ingredients.

What to Serve With Sausage and Egg Breakfast Casserole

The sausage and egg breakfast casserole is perfect for serving with a variety of sides, such as toast, hash browns, or fresh fruit. You can also serve it with a green salad or a fruit salad for a lighter option.

Some other ideas for serving the casserole include serving it with tortillas or biscuits, or using it as a filling for breakfast burritos or sandwiches. You can also serve it with a side of sausage gravy or cheese sauce for added flavor and richness.

Serve with toast or hash brownsServe with a green salad or fruit saladUse as a filling for breakfast burritos or sandwichesServe with sausage gravy or cheese sauce

Make-Ahead, Storage, Freezing and Reheating

The sausage and egg breakfast casserole can be stored in the refrigerator for up to 3 days or frozen for up to 2 months. To reheat the casserole, cover it with foil and bake it in a preheated oven at 350°F (180°C) for 20-25 minutes, or until it is hot and the eggs are set.

When freezing the casserole, it's best to freeze it before baking. Simply assemble the casserole, cover it with plastic wrap or aluminum foil, and place it in the freezer. When you're ready to bake it, simply thaw it overnight in the refrigerator and bake it as directed.

It's also important to note that the casserole can be made ahead of time and refrigerated or frozen for later use. This can be a great option for busy mornings or for meal prep.

To reheat the casserole in the microwave, simply cover it with a paper towel and microwave on high for 30-45 seconds, or until it is hot and the eggs are set. Be careful not to overcook it, as this can make it dry and tough.

Frequently Asked Questions

Can I make the casserole ahead of time and refrigerate or freeze it for later use?

Yes, the casserole can be made ahead of time and refrigerated for up to 3 days or frozen for up to 2 months. To reheat the casserole, cover it with foil and bake it in a preheated oven at 350°F (180°C) for 20-25 minutes, or until it is hot and the eggs are set.

What type of sausage is best to use in the casserole?

I recommend using a high-quality sausage that's made with pork and has a nice balance of spices. You can also use other types of sausage, such as chorizo or breakfast sausage, to give the dish a different flavor profile.

Can I customize the recipe by adding my own favorite ingredients?

Yes, you can customize the recipe by adding your own favorite ingredients, such as diced bell peppers or chopped ham. Just be sure to adjust the cooking time and temperature as needed to ensure that the ingredients are cooked through.

How do I reheat the casserole without drying it out?

To reheat the casserole without drying it out, cover it with foil and bake it in a preheated oven at 350°F (180°C) for 20-25 minutes, or until it is hot and the eggs are set. You can also reheat it in the microwave, but be careful not to overcook it, as this can make it dry and tough.

Can I make the casserole gluten-free?

Yes, you can make the casserole gluten-free by using gluten-free breadcrumbs or crackers. Just be sure to check the ingredient labels to ensure that the sausage and cheese are also gluten-free.

How do I freeze the casserole?

To freeze the casserole, assemble it, cover it with plastic wrap or aluminum foil, and place it in the freezer. When you're ready to bake it, simply thaw it overnight in the refrigerator and bake it as directed.

Can I make the casserole in a slow cooker?

Yes, you can make the casserole in a slow cooker. Simply assemble the casserole, cover it with a lid, and cook it on low for 2-3 hours, or until the eggs are set and the sausage is cooked through.

How do I know when the casserole is done?

The casserole is done when the eggs are set, the sausage is cooked through, and the top is golden brown. You can check for doneness by inserting a knife or toothpick into the center of the casserole. If it comes out clean, the casserole is done.

The Full Recipe

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