Steak Pizzaiola

Name: Steak Pizzaiola
Ingredients: 3 store-bought ciabatta rolls, split; 4 tablespoons olive oil; 3 Kansas City strip steaks (3/4 inch thick); Kosher salt and freshly ground black pepper; One 16-ounce jar sliced roasted red peppers, drained; 6 cloves garlic, sliced; 1 large yellow onion, sliced thick; 1/2 teaspoon red pepper flakes; 2 tablespoons tomato paste; 1/2 cup red wine; One 14.5-ounce can stewed tomatoes; One 14.5-ounce can tomato sauce; 1/4 cup drained sliced pepperoncini; 1 tablespoon fresh oregano leaves; 2 tablespoons chopped fresh parsley; 2 tablespoons grated Parmesan