01 - 1 pound medium shrimp, peeled and deveined
02 - 12 ounces penne pasta
03 - 2 tablespoons olive oil
04 - 4 tablespoons unsalted butter
05 - 4 garlic cloves, minced
06 - 0.5 teaspoon red pepper flakes (optional)
07 - 1 teaspoon Italian seasoning
08 - Salt and freshly ground black pepper, to taste
09 - 0.25 cup chicken broth
10 - 0.25 cup grated Parmesan cheese
11 - 1.5 cups shredded mozzarella cheese
12 - 2 tablespoons chopped fresh parsley (optional)