Breakfast Prep

Sausage And Egg Casserole

Name: Sausage And Egg Casserole
Prep time: 20 min
Cook time: 35 min
Total time: 55 min
Yield: 6 servings
Ingredients: 1 lb (450g) sweet sausage, casings removed; 1 lb (450g) hot sausage, casings removed; 6 large eggs; 1 cup (115g) shredded cheddar cheese; 1/2 cup (55g) shredded mozzarella cheese; 1 large onion, diced; 2 large bell peppers, diced; 2 cloves garlic, minced; 1 tsp (5g) salt; 1/2 tsp (2g) black pepper

By Harriet Greenwood · June 19, 2026 · Breakfast Prep

Prep20 min

Cook35 min

Total55 min

Serves6

Sausage And Egg Casserole — Savory sausage and egg casserole

Welcome to my kitchen, where Sunday mornings are all about preparing a delicious breakfast casserole that will last us throughout the week. Today, I'm excited to share with you my favorite Sausage And Egg Casserole recipe, a dish that's perfect for meal prep and reheats beautifully.

This recipe is a staple in our household, and I just love how easy it is to make. With just a few simple ingredients, you can create a hearty and flavorful casserole that's sure to please even the pickiest of eaters. Whether you're a busy parent or a student looking for a quick and easy breakfast solution, this recipe is perfect for you.

I've been making this casserole for years, and it never fails to impress. The combination of savory sausage, fluffy eggs, and melted cheese is a match made in heaven. And the best part? It's incredibly versatile, so you can customize it to your liking by adding your favorite vegetables or spices.

In this recipe, we'll be using a combination of sweet and hot sausage to give it a nice balance of flavors. We'll also be adding some diced bell peppers and onions to add a bit of crunch and flavor. And of course, no breakfast casserole would be complete without some shredded cheese on top.

So let's get started, and I'll show you how to make this delicious Sausage And Egg Casserole from scratch. It's easier than you think, and I promise you'll be hooked from the very first bite.

Why You’ll Love This Recipe

This recipe is perfect for meal prep and can be reheated throughout the week
It's a great way to use up leftover sausage and vegetables
The casserole is incredibly versatile and can be customized to your liking
It's a hearty and filling breakfast option that's perfect for busy mornings
The recipe is easy to make and requires minimal ingredients
It's a great option for a crowd, as it can be easily doubled or tripled

Why This Recipe Works

The key to making a great breakfast casserole is to use high-quality ingredients and to cook it slowly and evenly. By using a combination of sausage, eggs, and cheese, we're creating a dish that's both flavorful and filling. The sausage adds a nice smoky flavor, while the eggs provide a creamy texture. And of course, the cheese adds a nice melted layer on top.

Another important factor in making a great casserole is to use the right cooking technique. In this recipe, we'll be using a combination of baking and broiling to get the perfect golden-brown crust on top. This will not only add a nice texture to the dish, but it will also help to bring out the flavors of the ingredients.

Finally, the secret to making a casserole that reheats well is to use the right type of cheese. In this recipe, we'll be using a combination of cheddar and mozzarella cheese, which will melt beautifully and add a nice creamy texture to the dish. By using the right type of cheese, we can ensure that our casserole will reheat nicely and won't become dry or rubbery.

Ingredients You’ll Need

Now that we've talked about the importance of using high-quality ingredients, let's take a look at what we'll need for this recipe. We'll be using a combination of sausage, eggs, cheese, and vegetables, all of which can be found at your local grocery store. Be sure to choose the best quality ingredients you can find, as this will really make a difference in the flavor and texture of the final dish.

When shopping for the ingredients, look for sweet and hot sausage that's made with high-quality meat and spices. You'll also want to choose a good quality cheese that will melt nicely and add a rich flavor to the dish. And of course, be sure to use fresh eggs and vegetables to ensure the best flavor and texture.

1 lb (450g) sweet sausage, casings removedLook for sausage that's made with high-quality meat and spices, and be sure to remove the casings before cooking
1 lb (450g) hot sausage, casings removedUse a combination of sweet and hot sausage to give the casserole a nice balance of flavors
6 large eggsUse fresh eggs for the best flavor and texture
1 cup (115g) shredded cheddar cheeseChoose a good quality cheese that will melt nicely and add a rich flavor to the dish
1/2 cup (55g) shredded mozzarella cheeseUse a combination of cheddar and mozzarella cheese for the best flavor and texture
1 large onion, dicedUse a sweet onion such as Vidalia or Maui for the best flavor
2 large bell peppers, dicedUse any color bell pepper you like, but red or yellow will add a nice pop of color to the dish
2 cloves garlic, mincedUse fresh garlic for the best flavor, and be sure to mince it finely so it cooks evenly
1 tsp (5g) saltUse a good quality salt such as kosher or sea salt for the best flavor
1/2 tsp (2g) black pepperUse freshly ground black pepper for the best flavor

Ingredients for Sausage And Egg Casserole

Equipment You’ll Need

Large heavy skillet or sauté panSharp chef's knifeCutting boardMeasuring cups and spoonsInstant-read thermometer9x13 inch baking dish

How to Make Sausage And Egg Casserole

1
Preheat the oven to 350°F (180°C).
2
In a large skillet or sauté pan, cook the sweet and hot sausage over medium-high heat, breaking it up with a spoon as it cooks, until it's no longer pink and the internal temperature reaches 160°F (71°C), about 5-7 minutes.
3
Add the diced onion and bell peppers to the skillet and cook until they're tender, about 5 minutes.
4
Add the minced garlic to the skillet and cook for 1 minute, until fragrant.
5
In a large bowl, whisk together the eggs, salt, and pepper.
6
Add the cooked sausage and vegetable mixture to the bowl and stir to combine.
7
Stir in the shredded cheddar and mozzarella cheese.
8
Pour the egg mixture into a 9x13 inch baking dish and smooth the top.
9
Bake the casserole for 35-40 minutes, or until the eggs are set and the cheese is melted and golden brown.
10
Remove the casserole from the oven and let it cool for 10 minutes before serving.
11
Use an instant-read thermometer to check the internal temperature of the casserole, it should reach 165°F (74°C) for food safety.
12
Slice the casserole into squares and serve hot, garnished with chopped fresh herbs if desired.

Expert Tips

Use a combination of sweet and hot sausage to give the casserole a nice balance of flavors
Don't overcook the sausage, as it can become dry and tough
Use a good quality cheese that will melt nicely and add a rich flavor to the dish
Don't overcrowd the skillet when cooking the sausage and vegetables, as this can affect the texture of the final dish
Let the casserole cool for 10 minutes before serving, as this will help it to set and make it easier to slice
Use an instant-read thermometer to check the internal temperature of the casserole, it should reach 165°F (74°C) for food safety
Experiment with different types of cheese and vegetables to find your favorite combination

Common Mistakes to Avoid

Overcooking the sausage, which can make it dry and tough
Not using a good quality cheese, which can affect the flavor and texture of the dish
Overcrowding the skillet when cooking the sausage and vegetables, which can affect the texture of the final dish
Not letting the casserole cool before serving, which can make it difficult to slice and serve
Not checking the internal temperature of the casserole, which can affect food safety
Not using fresh ingredients, which can affect the flavor and texture of the final dish

Variations and Substitutions

Add some diced ham or bacon to the casserole for added smoky flavor
Use different types of cheese, such as feta or goat cheese, to give the casserole a unique flavor
Add some chopped fresh herbs, such as parsley or chives, to the casserole for added flavor and color
Use different types of vegetables, such as mushrooms or zucchini, to add some extra flavor and nutrients to the dish
Make individual servings of the casserole in ramekins or muffin tins for a fun and easy breakfast option
Add some heat to the casserole by using hot sauce or red pepper flakes
Use a different type of sausage, such as chorizo or Italian sausage, to give the casserole a unique flavor

What to Serve With Sausage And Egg Casserole

This casserole is perfect for serving with a variety of sides, such as toast, hash browns, or fresh fruit. You could also serve it with a green salad or a side of yogurt parfait for a lighter option. Whatever you choose, I hope you enjoy this delicious Sausage And Egg Casserole!

Some other ideas for serving this casserole include: serving it with a side of sausage gravy, using it as a filling for breakfast burritos, or serving it with a side of roasted potatoes. The possibilities are endless, and I'm sure you'll find a way to make it your own.

Serve with toast or hash brownsServe with a side of fresh fruitServe with a green salad or yogurt parfaitUse as a filling for breakfast burritosServe with a side of sausage gravyServe with a side of roasted potatoes

Make-Ahead, Storage, Freezing and Reheating

This casserole can be stored in the refrigerator for up to 3 days or frozen for up to 2 months. To refrigerate, let the casserole cool completely, then cover it with plastic wrap or aluminum foil and refrigerate. To freeze, let the casserole cool completely, then wrap it tightly in plastic wrap or aluminum foil and freeze.

To reheat the casserole, simply thaw it overnight in the refrigerator, then bake it in the oven at 350°F (180°C) for 20-25 minutes, or until it's hot and the cheese is melted and bubbly. You could also reheat it in the microwave, but be careful not to overheat it, as this can affect the texture and flavor of the dish.

One of the best things about this casserole is that it reheats beautifully, so you can enjoy it for days to come. Simply slice it into squares, reheat it in the oven or microwave, and serve. It's the perfect solution for busy mornings or weekends when you need a quick and easy breakfast option.

In addition to refrigerating or freezing the casserole, you could also make individual servings of it and store them in the refrigerator or freezer for up to 3 days or 2 months, respectively. This is a great option if you want to have a quick and easy breakfast option on hand, or if you're looking for a healthy and delicious meal prep idea.

Frequently Asked Questions

Can I make this casserole ahead of time?

Yes, you can make this casserole ahead of time and refrigerate or freeze it for later use. Simply let it cool completely, then cover it with plastic wrap or aluminum foil and refrigerate or freeze.

Can I use different types of sausage in this recipe?

Yes, you can use different types of sausage in this recipe, such as chorizo or Italian sausage. Just be sure to adjust the cooking time and temperature as needed to ensure that the sausage is cooked through.

Can I add other ingredients to this casserole?

Yes, you can add other ingredients to this casserole, such as diced ham or bacon, chopped fresh herbs, or grated cheese. Just be sure to adjust the cooking time and temperature as needed to ensure that the ingredients are cooked through.

How do I reheat this casserole?

To reheat this casserole, simply thaw it overnight in the refrigerator, then bake it in the oven at 350°F (180°C) for 20-25 minutes, or until it's hot and the cheese is melted and bubbly. You could also reheat it in the microwave, but be careful not to overheat it, as this can affect the texture and flavor of the dish.

Can I make individual servings of this casserole?

Yes, you can make individual servings of this casserole by pouring the egg mixture into ramekins or muffin tins and baking until set. This is a great option if you want to have a quick and easy breakfast option on hand, or if you're looking for a healthy and delicious meal prep idea.

How long does this casserole keep?

This casserole can be stored in the refrigerator for up to 3 days or frozen for up to 2 months. Simply let it cool completely, then cover it with plastic wrap or aluminum foil and refrigerate or freeze.

Can I freeze this casserole?

Yes, you can freeze this casserole for up to 2 months. Simply let it cool completely, then wrap it tightly in plastic wrap or aluminum foil and freeze.

How do I thaw this casserole?

To thaw this casserole, simply let it thaw overnight in the refrigerator or thaw it quickly by submerging it in cold water. Once thawed, you can reheat it in the oven or microwave as desired.

Can I make this casserole in a slow cooker?

Yes, you can make this casserole in a slow cooker. Simply cook the sausage and vegetables in a skillet, then add the egg mixture and cook on low for 2-3 hours or until the eggs are set and the cheese is melted and bubbly.

The Full Recipe

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