Make the pasta. Bring a large pot of water to a boil and cook pasta according to the directions on the package until al dente. When draining, reserve 2 tablespoons of pasta water.
When the pasta has about 5 minutes left, start making the chicken. Heat a large skillet over medium heat. Add oil and let it get hot. Then add the chicken and garlic and cook for 5-6 minutes stirring occasionally, until browned on the outside (it will continue to cook as you go). Next, add Italian seasoning and salt and pepper and stir to coat. If there is a lot of liquid in the pan, remove some of it as it will water down the sauce.
Add pasta sauce and parmesan cheese and mix to combine.
Drain pasta, saving 2 tablespoons of the pasta water.
Assemble. Add pasta and pasta water to the pan and mix well to combine. Finally, top with mozzarella cheese, cover with a lid, and let melt for about 1-2 minutes.
Enjoy! Garnish with optional toppings and enjoy!