Bring a large pot of salted water to a boil and cook pasta until al dente. Reserve 2 tablespoons of pasta water before draining.
Heat olive oil in a large skillet over medium heat. Add chicken and garlic, cooking for 5–6 minutes until lightly browned.
Season with Italian seasoning, salt, and pepper. Remove excess liquid if needed.
Stir in pasta sauce and parmesan cheese until well combined.
Add cooked pasta and reserved pasta water to the skillet. Mix thoroughly.
Top with mozzarella cheese, cover, and let it melt for 1–2 minutes.
Serve your Chicken Parmesan Pasta Skillet hot with basil, red pepper flakes, and extra parmesan.