Breakfast Bakes

Western Omelette Casserole

Name: Western Omelette Casserole
Prep time: 20 min
Cook time: 35 min
Total time: 55 min
Yield: 6 servings
Ingredients: 6 large eggs; 1 lb (450g) sweet sausage, casings removed; 1 cup (115g) shredded cheddar cheese; 1/2 cup (55g) grated Parmesan cheese; 1 cup (120g) breadcrumbs; 2 tbsp olive oil; 1 tsp salt; 1/2 tsp black pepper; 2 cloves garlic, minced; 1 cup (115g) diced bell peppers

By Priya Norwood · June 19, 2026 · Breakfast Bakes

Prep20 min

Cook35 min

Total55 min

Serves6

I still remember the first time I made a Western Omelette Casserole for my family. It was a Sunday morning, and we were all craving something hearty and satisfying. I had all the ingredients on hand, so I decided to give it a try. The result was a dish that quickly became a staple in our household.

The beauty of this recipe lies in its simplicity. With just a few ingredients, you can create a delicious, filling breakfast or brunch that's perfect for any occasion. And the best part? It's incredibly easy to make. Just scramble some eggs, cook some sausage, and layer it all in a baking dish with some cheese and breadcrumbs.

As a home cook, I love that this recipe is versatile and can be customized to suit your tastes. Want to add some diced bell peppers or mushrooms? Go for it! The key is to use ingredients that you love and that will add flavor and texture to the dish. And don't be afraid to get creative with the cheese and breadcrumb topping – it's a great way to add some extra flavor and crunch.

One of the things I love most about this recipe is that it's perfect for a crowd. Whether you're hosting a brunch for friends or feeding a big family, this casserole is sure to be a hit. And the best part? It's easy to scale up or down, depending on your needs. So go ahead, give it a try, and enjoy the oohs and aahs from your guests.

In this recipe, I'll walk you through the steps to make a delicious Western Omelette Casserole. From prep to finish, I'll share my tips and tricks for making this dish a success. So let's get started and make a casserole that's sure to become a family favorite!

Why You’ll Love This Recipe

This recipe is easy to make and requires minimal ingredients.
It's perfect for a crowd and can be easily scaled up or down.
The casserole is flavorful and textured, with a nice balance of eggs, sausage, cheese, and breadcrumbs.
It's a great way to use up leftover ingredients, such as sausage and cheese.
The recipe is versatile and can be customized to suit your tastes.
It's a delicious and satisfying breakfast or brunch option that's sure to become a family favorite.

Why This Recipe Works

The key to a great Western Omelette Casserole is layering. By layering the ingredients in a specific order, you create a dish that's both flavorful and textured. The eggs provide moisture, while the sausage adds a nice savory flavor. The cheese and breadcrumbs add a nice crunch and a burst of flavor.

Another important factor is the cooking time and temperature. By baking the casserole at 375°F for 35-40 minutes, you ensure that the eggs are cooked through and the cheese is melted and golden brown. And by letting it rest for 10-15 minutes before serving, you allow the flavors to meld together and the casserole to set.

The science behind this recipe is all about balance. You want to balance the flavors, textures, and temperatures to create a dish that's both delicious and visually appealing. By using a combination of eggs, sausage, cheese, and breadcrumbs, you create a casserole that's both filling and flavorful.

Finally, the key to a great Western Omelette Casserole is using high-quality ingredients. From the eggs to the sausage to the cheese, every ingredient plays a crucial role in the final dish. So be sure to choose the best ingredients you can find, and don't be afraid to get creative with the recipe.

Ingredients You’ll Need

When it comes to making a Western Omelette Casserole, the ingredients are just as important as the technique. You'll need a few staple ingredients, including eggs, sausage, cheese, and breadcrumbs. Be sure to choose high-quality ingredients, such as farm-fresh eggs and thick-cut sausage.

In addition to the main ingredients, you'll also need a few pantry staples, such as salt, pepper, and olive oil. These will help to add flavor and texture to the dish, and can be easily customized to suit your tastes.

6 large eggsFarm-fresh eggs are best for this recipe, as they have a richer flavor and a creamier texture. Be sure to choose eggs that are fresh and have no cracks or breaks.
1 lb (450g) sweet sausage, casings removedThick-cut sausage is best for this recipe, as it holds its shape well and adds a nice texture to the dish. You can also use other types of sausage, such as chorizo or Italian sausage, for a different flavor.
1 cup (115g) shredded cheddar cheeseAged cheddar cheese is best for this recipe, as it has a richer flavor and a creamier texture. You can also use other types of cheese, such as Monterey Jack or Colby, for a different flavor.
1/2 cup (55g) grated Parmesan cheeseFreshly grated Parmesan cheese is best for this recipe, as it has a nuttier flavor and a crisper texture. You can also use other types of cheese, such as Asiago or Romano, for a different flavor.
1 cup (120g) breadcrumbsPanko breadcrumbs are best for this recipe, as they are lighter and crisper than regular breadcrumbs. You can also use other types of breadcrumbs, such as whole wheat or gluten-free, for a different texture.
2 tbsp olive oilExtra virgin olive oil is best for this recipe, as it has a richer flavor and a higher smoke point. You can also use other types of oil, such as avocado oil or grapeseed oil, for a different flavor.
1 tsp saltKosher salt is best for this recipe, as it has a milder flavor and a coarser texture. You can also use other types of salt, such as sea salt or Himalayan pink salt, for a different flavor.
1/2 tsp black pepperFreshly ground black pepper is best for this recipe, as it has a more complex flavor and a coarser texture. You can also use other types of pepper, such as white pepper or cayenne pepper, for a different flavor.
2 cloves garlic, mincedFresh garlic is best for this recipe, as it has a more complex flavor and a pungent aroma. You can also use other types of garlic, such as roasted garlic or garlic powder, for a different flavor.
1 cup (115g) diced bell peppersAny color bell pepper works well in this recipe, but red or yellow bell peppers add a sweeter flavor and a pop of color to the dish.

Ingredients for Western Omelette Casserole

Equipment You’ll Need

Large heavy skillet or sauté panSharp chef's knifeCutting boardInstant-read thermometer9x13-inch baking dishWhiskMeasuring cups and spoons

How to Make Western Omelette Casserole

1
Preheat the oven to 375°F (190°C).
2
In a large skillet or sauté pan, cook the sausage over medium-high heat, breaking it up with a spoon as it cooks, until it is no longer pink and the internal temperature reaches 160°F (71°C), about 5-7 minutes.
3
Add the diced bell peppers to the skillet and cook until they are tender, about 3-4 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 bell pepper mixture to the bowl with the eggs and stir to combine.
7
In a separate bowl, mix together the shredded cheddar cheese and grated Parmesan cheese.
8
In a 9x13-inch baking dish, arrange half of the egg mixture in the bottom of the dish.
9
Sprinkle half of the cheese mixture over the egg mixture.
10
Repeat the layers, starting with the remaining egg mixture, then the remaining cheese mixture, and finally the breadcrumbs.
11
Drizzle the olive oil over the top of the casserole and sprinkle with salt and pepper to taste.
12
Bake the casserole in the preheated oven for 35-40 minutes, or until the eggs are set, the cheese is melted and golden brown, and the internal temperature reaches 165°F (74°C).
13
Remove the casserole from the oven and let it rest for 10-15 minutes before serving.

Expert Tips

Use high-quality ingredients, such as farm-fresh eggs and thick-cut sausage, for the best flavor and texture.
Don't overmix the egg mixture, as this can make the casserole tough and dense.
Use a variety of cheeses, such as cheddar and Parmesan, for a rich and complex flavor.
Add some diced ham or bacon to the casserole for a smoky flavor.
Use different types of breadcrumbs, such as whole wheat or gluten-free, for a different texture.
Let the casserole rest for 10-15 minutes before serving, as this allows the flavors to meld together and the casserole to set.
Serve the casserole with a side of toast or hash browns for a filling breakfast or brunch.
Use leftover ingredients, such as cooked sausage or cheese, to make the casserole more efficient and reduce food waste.

Common Mistakes to Avoid

Overmixing the egg mixture, which can make the casserole tough and dense.
Not cooking the sausage to the correct internal temperature, which can make the casserole unsafe to eat.
Not letting the casserole rest for 10-15 minutes before serving, which can make the casserole fall apart and lose its texture.
Using low-quality ingredients, such as old eggs or processed sausage, which can affect the flavor and texture of the casserole.
Not using enough cheese, which can make the casserole dry and flavorless.
Not baking the casserole at the correct temperature, which can affect the texture and flavor of the casserole.

Variations and Substitutions

Add some diced ham or bacon to the casserole for a smoky flavor.
Use different types of cheese, such as Swiss or feta, for a unique flavor.
Add some chopped herbs, such as parsley or chives, for a fresh flavor.
Use different types of breadcrumbs, such as whole wheat or gluten-free, for a different texture.
Add some diced vegetables, such as mushrooms or zucchini, for added flavor and nutrition.
Use leftover ingredients, such as cooked sausage or cheese, to make the casserole more efficient and reduce food waste.
Make individual servings of the casserole in ramekins or muffin tins for a fun and easy breakfast or brunch.

What to Serve With Western Omelette Casserole

The Western Omelette Casserole is a versatile dish that can be served at any time of day. It's perfect for a breakfast or brunch gathering, and can also be served as a side dish or light lunch. The casserole is best served hot, straight from the oven, but it can also be refrigerated or frozen for later use.

Some ideas for serving the casserole include:

Serving it with a side of toast or hash browns for a filling breakfast or brunch.

Adding some fresh fruit or a green salad for a light and refreshing meal.

Serving it with a side of sausage or bacon for a hearty and satisfying meal.

Using it as a base for a breakfast burrito or wrap.

Serve the casserole with a side of toast or hash browns for a filling breakfast or brunch.Add some fresh fruit or a green salad for a light and refreshing meal.Serve the casserole with a side of sausage or bacon for a hearty and satisfying meal.Use it as a base for a breakfast burrito or wrap.Add some diced ham or bacon to the casserole for a smoky flavor.Use different types of cheese, such as Swiss or feta, for a unique flavor.

Make-Ahead, Storage, Freezing and Reheating

The Western Omelette 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 store it in the refrigerator.

To freeze, let the casserole cool completely, then wrap it tightly in plastic wrap or aluminum foil and store it in the freezer. When you're ready to serve, thaw the casserole overnight in the refrigerator, then reheat it in the oven or microwave until hot and bubbly.

Some tips for reheating the casserole include:

Reheating it in the oven at 350°F (180°C) for 10-15 minutes, or until hot and bubbly.

Reheating it in the microwave for 30-60 seconds, or until hot and bubbly.

Adding some extra cheese or breadcrumbs to the top of the casserole before reheating for a crispy and golden brown topping.

Serving the casserole with a side of toast or hash browns for a filling breakfast or brunch.

Frequently Asked Questions

What type of sausage is best for this recipe?

Thick-cut sausage, such as chorizo or Italian sausage, is best for this recipe. You can also use other types of sausage, such as sweet sausage or breakfast sausage, for a different flavor.

Can I use leftover ingredients to make the casserole?

Yes, you can use leftover ingredients, such as cooked sausage or cheese, to make the casserole. This is a great way to reduce food waste and make the casserole more efficient.

How long can I store the casserole in the refrigerator or freezer?

The casserole can be stored in the refrigerator for up to 3 days or frozen for up to 2 months. Be sure to let it cool completely before storing, and to reheat it to an internal temperature of 165°F (74°C) before serving.

Can I make individual servings of the casserole?

Yes, you can make individual servings of the casserole in ramekins or muffin tins. This is a great way to make a fun and easy breakfast or brunch for a crowd.

What type of cheese is best for this recipe?

A combination of cheddar and Parmesan cheese is best for this recipe. You can also use other types of cheese, such as Swiss or feta, for a unique flavor.

Can I add some diced vegetables to the casserole?

Yes, you can add some diced vegetables, such as mushrooms or zucchini, to the casserole for added flavor and nutrition.

How do I reheat the casserole?

You can reheat the casserole in the oven at 350°F (180°C) for 10-15 minutes, or until hot and bubbly. You can also reheat it in the microwave for 30-60 seconds, or until hot and bubbly.

Can I make the casserole ahead of time?

Yes, you can make the casserole ahead of time and store it in the refrigerator or freezer until you're ready to serve. This is a great way to make a stress-free breakfast or brunch for a crowd.

The Full Recipe

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