Ingredients
· 1 tablespoon olive oil

· 1 large onion, chopped

· 3 cloves garlic, minced

· 3 tablespoons tomato paste

· 1 teaspoon crushed red pepper flakes

· 1-2 diced tomatoes

· 6 cups chicken broth

· 1 packet of penne pasta

· 2 cooked chicken fillets

· 1½ cup shredded mozzarella

· 1 cup freshly grated Parmesan

· 1 tablespoon freshly chopped parsley

· Salt

· Freshly ground black pepper

Method
In a large pot over medium heat, heat oil. Add onion and cook, stirring, until soft, five minutes. Add garlic and cook until fragrant. Stir in tomato paste and red pepper flakes. Add tomatoes and broth and bring to a simmer. Add penne and cook until al dente, eight to 10 minutes. Add chicken, mozzarella, Parmesan, and parsley and season generously with salt and pepper. Let cheese melt, then ladle into bowls.