Ingredients

• 1/2 cup dry bread crumbs

• 1/2 cup grated Parmesan

• 1 1/4 teaspoons kosher salt

• 1/2 teaspoon freshly ground black pepper

• 3 tablespoons olive oil

• 1 onion, minced

• 2 cloves garlic, minced

• 2 1/3 cups canned crushed tomatoes in thick puree (from a 28-ounce can)

• Pinch dried red-pepper flakes (optional)

• Cooking oil, for frying

• 4 boneless, skinless chicken breasts (about 1 1/3 pounds in all)

• 2 eggs, beaten to mix

• 4 small (about 6 inches) hero or other sandwich rolls, split

• 4 (1-ounce) slices mozzarella cheese