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Sausage And Pepper Casserole

By Clara Whitfield | June 01, 2026
Sausage And Pepper Casserole
Comfort Classics

Sausage And Pepper Casserole

Prep20 min
Cook30 min
Total50 min
Serves6
Sausage And Pepper Casserole
Warm, cheesy casserole straight from the oven

I still remember the first time I made a sausage and pepper casserole for my family. The combination of flavors and textures was an instant hit, and it's been a staple in our household ever since. There's something special about a dish that can bring everyone together, and this casserole is definitely one of them.

As a home cook, I love that this recipe is easy to make and requires minimal effort. The best part? It's perfect for a weeknight dinner or a special occasion. Whether you're serving a crowd or just a few, this casserole is sure to please. So, let's get started and make some delicious memories!

The key to a great sausage and pepper casserole is using high-quality ingredients. I like to use sweet bell peppers, savory sausage, and a blend of cheddar and mozzarella cheese. The result is a dish that's both flavorful and satisfying. And the best part? It's easy to customize to your taste preferences.

One of the things I love about this recipe is that it's perfect for a busy weeknight. You can prepare the ingredients ahead of time and assemble the casserole just before baking. And, of course, the leftovers are just as delicious as the first serving. So, go ahead and give this recipe a try – I promise you won't be disappointed!

In this recipe, we'll explore the technique behind making a great sausage and pepper casserole. From the importance of browning the sausage to the secret to a crispy breadcrumb topping, we'll cover it all. So, let's get started and make some delicious sausage and pepper casserole!

Why You’ll Love This Recipe

  • This recipe is easy to make and requires minimal effort.
  • It's perfect for a weeknight dinner or a special occasion.
  • The combination of flavors and textures is both flavorful and satisfying.
  • You can customize the recipe to your taste preferences.
  • The leftovers are just as delicious as the first serving.
  • It's a great way to use up leftover sausage and peppers.
  • The crispy breadcrumb topping is the perfect finishing touch.

Why This Recipe Works

The secret to a great sausage and pepper casserole is in the layering. By starting with a layer of sausage and peppers, you create a flavorful base for the dish. Then, adding a layer of cheese and breadcrumbs helps to balance out the flavors and textures. Finally, baking the casserole in the oven until it's golden brown and crispy on top is the perfect finishing touch.

Another important aspect of this recipe is the use of high-quality ingredients. By using sweet bell peppers, savory sausage, and a blend of cheddar and mozzarella cheese, you create a dish that's both flavorful and satisfying. And, of course, the breadcrumbs add a nice crunch to the top of the casserole.

The technique behind this recipe is also important. By browning the sausage and cooking the peppers until they're tender, you create a flavorful base for the dish. Then, adding the cheese and breadcrumbs helps to balance out the flavors and textures. Finally, baking the casserole in the oven until it's golden brown and crispy on top is the perfect finishing touch.

Overall, the combination of flavors and textures in this sausage and pepper casserole is what makes it so special. The sausage and peppers add a savory element, while the cheese and breadcrumbs add a rich and creamy element. And, of course, the crispy topping is the perfect finishing touch. So, let's get started and make some delicious sausage and pepper casserole!

Ingredients You’ll Need

When it comes to making a great sausage and pepper casserole, the ingredients are everything. You'll need a few simple ingredients, including sausage, bell peppers, onions, garlic, cheese, and breadcrumbs. Be sure to choose high-quality ingredients, as they will make a big difference in the flavor and texture of the dish.

One of the most important ingredients in this recipe is the sausage. I like to use a sweet Italian sausage, but you can use any type of sausage you like. Just be sure to cook it until it's browned and crispy, as this will add a lot of flavor to the dish.

  • 1 lb (450g) sweet Italian sausage, casings removedI like to use a sweet Italian sausage for this recipe, but you can use any type of sausage you like. Just be sure to cook it until it's browned and crispy, as this will add a lot of flavor to the dish.
  • 2 large bell peppers, any color, slicedI like to use a combination of green and red bell peppers for this recipe, but you can use any color you like. Just be sure to slice them thinly, as this will help them cook evenly.
  • 1 large onion, slicedI like to use a sweet onion for this recipe, but you can use any type of onion you like. Just be sure to slice it thinly, as this will help it cook evenly.
  • 3 cloves garlic, mincedI like to use a lot of garlic in this recipe, as it adds a lot of flavor to the dish. Just be sure to mince it finely, as this will help it distribute evenly throughout the casserole.
  • 1 cup (115g) shredded cheddar cheeseI like to use a sharp cheddar cheese for this recipe, but you can use any type of cheese you like. Just be sure to shred it finely, as this will help it melt evenly.
  • 1/2 cup (55g) shredded mozzarella cheeseI like to use a combination of cheddar and mozzarella cheese for this recipe, as it adds a lot of flavor and creaminess to the dish. Just be sure to shred it finely, as this will help it melt evenly.
  • 1/2 cup (60g) breadcrumbsI like to use a plain breadcrumb for this recipe, but you can use any type of breadcrumb you like. Just be sure to sprinkle it evenly over the top of the casserole, as this will help it brown evenly.
  • 2 tbsp (30g) olive oilI like to use a high-quality olive oil for this recipe, as it adds a lot of flavor to the dish. Just be sure to use it sparingly, as this will help prevent the casserole from becoming too greasy.
  • 1 tsp (5g) dried oreganoI like to use a lot of oregano in this recipe, as it adds a lot of flavor to the dish. Just be sure to sprinkle it evenly over the top of the casserole, as this will help it distribute evenly.
  • 1/2 tsp (2g) saltI like to use a high-quality salt for this recipe, as it adds a lot of flavor to the dish. Just be sure to use it sparingly, as this will help prevent the casserole from becoming too salty.
  • 1/4 tsp (1g) black pepperI like to use a lot of black pepper in this recipe, as it adds a lot of flavor to the dish. Just be sure to sprinkle it evenly over the top of the casserole, as this will help it distribute evenly.
Ingredients for Sausage And Pepper Casserole

Equipment You’ll Need

Large heavy skillet or Dutch ovenSharp chef's knifeCutting boardInstant-read thermometer9x13 inch baking dishOven mitts

How to Make Sausage And Pepper Casserole

  1. 1
    Preheat the oven to 375°F (190°C).
  2. 2
    In a large skillet or Dutch oven, heat the olive oil over medium-high heat. Add the sausage and cook, breaking it up with a spoon, until it is no longer pink, about 5-7 minutes.
  3. 3
    Add the sliced onions to the skillet and cook, stirring occasionally, until they are softened and lightly browned, about 8-10 minutes.
  4. 4
    Add the sliced bell peppers to the skillet and cook, stirring occasionally, until they are tender, about 5-7 minutes.
  5. 5
    Add the minced garlic to the skillet and cook, stirring constantly, for 1 minute.
  6. 6
    Stir in the dried oregano, salt, and black pepper. Cook for 1 minute.
  7. 7
    In a large bowl, combine the cooked sausage and pepper mixture, shredded cheddar cheese, and shredded mozzarella cheese.
  8. 8
    Transfer the mixture to a 9x13 inch baking dish and top with the breadcrumbs.
  9. 9
    Bake the casserole, uncovered, for 25-30 minutes, or until the top is golden brown and the casserole is hot and bubbly.
  10. 10
    Remove the casserole from the oven and let it rest for 10-15 minutes before serving.
  11. 11
    Serve the casserole hot, garnished with chopped fresh parsley or thyme, if desired.

Expert Tips

  • Be sure to use high-quality ingredients, as they will make a big difference in the flavor and texture of the dish.
  • Don't overcook the sausage and peppers, as this will make the casserole dry and tough.
  • Use a combination of cheddar and mozzarella cheese for the best flavor and creaminess.
  • Don't overbake the casserole, as this will make the top too brown and the casserole dry.
  • Let the casserole rest for 10-15 minutes before serving, as this will help the flavors to meld together and the casserole to set.
  • Serve the casserole hot, garnished with chopped fresh parsley or thyme, if desired.
  • Consider using different types of sausage or peppers to change up the flavor of the dish.
  • This casserole is perfect for a weeknight dinner or a special occasion.

Common Mistakes to Avoid

  • Overcooking the sausage and peppers, which can make the casserole dry and tough.
  • Not using high-quality ingredients, which can affect the flavor and texture of the dish.
  • Overbaking the casserole, which can make the top too brown and the casserole dry.
  • Not letting the casserole rest before serving, which can affect the flavor and texture of the dish.
  • Not using a combination of cheddar and mozzarella cheese, which can affect the flavor and creaminess of the dish.
  • Not garnishing the casserole with chopped fresh parsley or thyme, which can add a nice touch to the dish.

Variations and Substitutions

  • Using different types of sausage, such as chorizo or Italian sausage, to change up the flavor of the dish.
  • Adding other ingredients, such as diced tomatoes or chopped mushrooms, to the casserole to add more flavor and texture.
  • Using different types of cheese, such as parmesan or feta, to change up the flavor of the dish.
  • Adding some heat to the dish by using spicy sausage or adding red pepper flakes.
  • Using a different type of breadcrumb, such as panko or gluten-free breadcrumbs, to change up the texture of the dish.
  • Making the casserole in a slow cooker instead of the oven, which can be a great option for a busy day.
  • Adding some fresh herbs, such as parsley or thyme, to the casserole to add more flavor and freshness.

What to Serve With Sausage And Pepper Casserole

This casserole is perfect for serving with a side of garlic bread or a green salad. You can also serve it with some roasted vegetables, such as broccoli or Brussels sprouts, for a well-rounded meal.

Consider serving the casserole at a dinner party or special occasion, as it is sure to be a hit with your guests. You can also make it ahead of time and refrigerate or freeze it for later use.

Garlic breadGreen saladRoasted vegetables, such as broccoli or Brussels sproutsMashed potatoesGrilled chicken or steakSauteed spinach or kale

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 reheat, simply thaw the casserole overnight in the refrigerator and bake it in the oven at 350°F (180°C) for 20-25 minutes, or until hot and bubbly.

When storing the casserole, be sure to cover it tightly with plastic wrap or aluminum foil to prevent it from drying out. You can also add a layer of cheese or breadcrumbs on top of the casserole before reheating it to add some extra flavor and texture.

Consider making a few casseroles at once and freezing them for later use. This can be a great way to have a quick and easy meal on hand, and the casseroles will keep for several months in the freezer.

When reheating the casserole, be sure to check it frequently to ensure that it is heated through and not overcooked. You can also add some fresh herbs or cheese to the casserole before reheating it to add some extra flavor and freshness.

Frequently Asked Questions

What type of sausage should I use for this recipe?

You can use any type of sausage you like, but I recommend using a sweet Italian sausage for the best flavor.

Can I make this recipe ahead of time?

Yes, you can make this recipe ahead of time and refrigerate or freeze it for later use. Simply thaw the casserole overnight in the refrigerator and bake it in the oven at 350°F (180°C) for 20-25 minutes, or until hot and bubbly.

What type of cheese should I use for this recipe?

I recommend using a combination of cheddar and mozzarella cheese for the best flavor and creaminess.

Can I add other ingredients to this recipe?

Yes, you can add other ingredients to this recipe to change up the flavor and texture. Some options include diced tomatoes, chopped mushrooms, or cooked bacon.

How do I store this casserole?

This casserole can be stored in the refrigerator for up to 3 days or frozen for up to 2 months. To reheat, simply thaw the casserole overnight in the refrigerator and bake it in the oven at 350°F (180°C) for 20-25 minutes, or until hot and bubbly.

Can I make this recipe in a slow cooker?

Yes, you can make this recipe in a slow cooker. Simply brown the sausage and cook the peppers and onions in a skillet, then transfer everything to the slow cooker and cook on low for 3-4 hours, or until hot and bubbly.

What is the best way to reheat this casserole?

The best way to reheat this casserole is to thaw it overnight in the refrigerator and bake it in the oven at 350°F (180°C) for 20-25 minutes, or until hot and bubbly. You can also add some fresh herbs or cheese to the casserole before reheating it to add some extra flavor and freshness.

Can I freeze this casserole?

Yes, you can freeze this casserole for up to 2 months. Simply thaw the casserole overnight in the refrigerator and bake it in the oven at 350°F (180°C) for 20-25 minutes, or until hot and bubbly.

The Full Recipe
Recipe Card
Sausage And Pepper Casserole

Sausage And Pepper Casserole

A hearty, comforting sausage and pepper casserole made with sweet bell peppers, savory sausage, and a crispy breadcrumb topping. Perfect for a weeknight dinner or special occasion.

Prep20 min
Cook30 min
Total50 min
Serves6
Pin Recipe

Ingredients

  • 1 lb (450g) sweet Italian sausage, casings removed
  • 2 large bell peppers, any color, sliced
  • 1 large onion, sliced
  • 3 cloves garlic, minced
  • 1 cup (115g) shredded cheddar cheese
  • 1/2 cup (55g) shredded mozzarella cheese
  • 1/2 cup (60g) breadcrumbs
  • 2 tbsp (30g) olive oil
  • 1 tsp (5g) dried oregano
  • 1/2 tsp (2g) salt
  • 1/4 tsp (1g) black pepper

Instructions

  1. Preheat the oven to 375°F (190°C).
  2. In a large skillet or Dutch oven, heat the olive oil over medium-high heat. Add the sausage and cook, breaking it up with a spoon, until it is no longer pink, about 5-7 minutes.
  3. Add the sliced onions to the skillet and cook, stirring occasionally, until they are softened and lightly browned, about 8-10 minutes.
  4. Add the sliced bell peppers to the skillet and cook, stirring occasionally, until they are tender, about 5-7 minutes.
  5. Add the minced garlic to the skillet and cook, stirring constantly, for 1 minute.
  6. Stir in the dried oregano, salt, and black pepper. Cook for 1 minute.
  7. In a large bowl, combine the cooked sausage and pepper mixture, shredded cheddar cheese, and shredded mozzarella cheese.
  8. Transfer the mixture to a 9x13 inch baking dish and top with the breadcrumbs.
  9. Bake the casserole, uncovered, for 25-30 minutes, or until the top is golden brown and the casserole is hot and bubbly.
  10. Remove the casserole from the oven and let it rest for 10-15 minutes before serving.
  11. Serve the casserole hot, garnished with chopped fresh parsley or thyme, if desired.

Nutrition (per serving, approximate)

420Calories
25gProtein
20gCarbs
25gFat