Sausage, Peppers and Onions

Name: Sausage, Peppers and Onions
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Cuisine: European, Italian
Ingredients: 1/4 cup extra-virgin olive oil; 1 pound sweet Italian turkey sausage; 2 red bell peppers, sliced; 2 yellow onions, sliced; 1 teaspoon kosher salt; 1 teaspoon freshly ground black pepper; 1/2 teaspoon dried oregano; 1/2 cup chopped fresh basil leaves; 4 garlic cloves, chopped; 2 tablespoons tomato paste; 1 cup Marsala wine; 1 (15-ounce) can diced tomatoes; 1/4 teaspoon red pepper flakes, optional; 4 to 6 fresh Italian sandwich rolls, optional