This hot and toasty Italian sausage sandwich is bursting with flavor. Spicy peppers and sausage mingle with savory Italian spices and homemade marinara sauce for the best lunch or quick dinner.

A sausage sandwich with a grilled hoagie roll is sure to have your family running to the table. It's kind of built like an Italian style sausage roll. It's meaty and filling like my tripleta sandwich recipe and cold cut sub sandwich but with an Italian twist.
Finding something everyone will like can be a struggle, but these familiar flavors combined in a new way will delight both kids and adults.
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Ingredients
- canola oil - To sauté the onion and garlic.
- yellow onion - Yellow onion is best for cooking but you can also use white onion if that is what you have on hand.
- oregano - Will need both dried and fresh.
- balsamic vinegar - Adds nice flavor and acidity to the sautéed vegetables.
- red bell pepper - Red bell pepper is the most common for this recipe, but you can substitute with green bell pepper if needed.
- canned diced tomatoes - I used canned diced tomatoes to add some chunkiness to the sauce.
- tomato paste - To help thicken the sauce.
- Italian sausages - Hot or mild.
- hoagie rolls - Or brat buns.
*Check recipe card for full ingredients and amounts.
Chef's Note: If your table is mostly adults, don’t be afraid to pick up the spicy sausage. A little kick pairs nicely with the bitingly sweet balsamic vinegar. Speaking of spicy sausage, you might also like my pickled smoked sausage recipe.
How to Make it
- Sauté. In a medium non-stick saucepan, heat canola oil to medium heat and sauté onion and garlic until the onion is translucent, about 5 to 7 minutes.
- Simmer. Add the dried oregano, balsamic vinegar, bell peppers, diced tomatoes, tomato paste and salt and pepper. Simmer for about 15 minutes, until the sauce thickens. Add salt, to taste (if needed) and reserve.
- Cook sausages. Cut sausages lengthwise and grill them on a hot grill pan. Cook for about 2 minutes per side, until cooked through.
- Toast buns. Open up the buns and grill them on the open side until lightly toasted.
- Assemble and serve. Assemble the sandwiches with the sausages, bell pepper marinara sauce and fresh oregano. Slice and serve!

What Goes with Italian Sausage Sandwiches?
- Pair with chips or fruit for a filling lunch or serve with grilled potatoes and a burrata cheese salad for an easy and tasty full dinner.
- The only thing that could make this flavorful sub any better is if you have some mozzarella on hand. Stuffing in some melty cheese will bring this sandwich to the next level.
- However, if you’re sensitive to dairy, leave off the cheese and enjoy the sautéed peppers and onions.
- You could also try grilling your peppers for a smoky flavor enhancement.

Joss' Tips
- Toast the buns. Toasting the rolls is an absolute must for this recipe just like I do with this bacon butty sandwich. We want to avoid a soggy sandwich from the saucy filling and it adds a nice crispiness to the meal.
- Oregano substitute. You can substitute the dried oregano with fresh oregano leaves but you will have to add a bit more because the flavor of the dried herb is more concentrated.
- Make ahead. The bell pepper marinara sauce can be cooked ahead of time and reheated on the stove when you're ready to eat.
Storage
This sandwich is best served immediately. But, if you have leftovers, just pop the sausage, vegetables, and sauce into the microwave and toast up a fresh bun. Cooked sausage can last up to 3 to 4 days in the fridge.

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📋Recipe

Tasty Italian Sausage Sandwich
Ingredients
- 2 tablespoons canola oil
- ½ yellow onion - sliced
- 2 cloves garlic - minced
- 1 teaspoon dried oregano
- 1 tablespoon balsamic vinegar
- 1 red bell pepper - sliced
- 1 cup canned diced tomatoes
- 2 tablespoons tomato paste
- ½ teaspoon salt
- ½ teaspoon freshly ground black pepper
- 8 Italian sausages - hot or mild
- 4 hoagie rolls - or brat buns
- fresh oregano leaves - optional
Instructions
- In a medium non-stick saucepan, heat the canola oil to medium heat and sauté onion and garlic until the onion is translucent, about 5 to 7 minutes.2 tablespoons canola oil, ½ yellow onion, 2 cloves garlic
- Add the dried oregano, balsamic vinegar, bell peppers, diced tomatoes, tomato paste and salt and pepper.1 teaspoon dried oregano, 1 tablespoon balsamic vinegar, 1 red bell pepper, 1 cup canned diced tomatoes, 2 tablespoons tomato paste, ½ teaspoon salt, ½ teaspoon freshly ground black pepper
- Simmer for about 15 minutes, until the sauce thickens. Add salt, to taste (if needed) and reserve.
- Cut sausages lengthwise and grill them on a hot grill pan. Cook for about 2 minutes per side, until cooked through.8 Italian sausages
- Open the buns and grill them on the open side until lightly toasted.4 hoagie rolls
- Assemble the sandwiches with the sausages, bell pepper marinara sauce and fresh oregano.
- Slice the sandwiches in half and serve.
Notes
- This sandwich is best served immediately. But, if you have leftovers, just pop the sausage, vegetables, and sauce into the microwave and toast up a fresh bun. Cooked sausage can last up to 3 to 4 days in the fridge.
- Toasting the rolls is a must for this recipe. We want to avoid a soggy sandwich from the saucy filling and it adds a nice crispiness to the meal.
- The bell pepper marinara sauce can be cooked ahead of time and reheated on the stove when you're ready to eat.
- You can substitute the dried oregano with fresh oregano leaves but you will have to add a bit more because the flavor of the dried herb is more concentrated.
Nutrition
Nutrition information on In the Kitch is provided as a courtesy and is an estimate only. It may not include toppings and/or sauces.
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