Prepare the ingredients: Cut the chicken and vegetables as needed and have all ingredients ready before cooking.
Cook the pasta: Boil salted water and cook the pasta until al dente. Reserve a little pasta water, then drain.
Cook the chicken: Season the chicken and cook it in olive oil over medium-high heat until golden and cooked through.
Build the sauce: In the same skillet, cook butter and garlic, then add the remaining sauce ingredients and seasonings.
Finish the sauce: Stir in Parmesan and simmer gently until creamy and slightly thickened.
Combine: Return the chicken to the skillet and add the pasta, tossing until everything is coated.
Adjust: Add reserved pasta water if needed and taste for seasoning.
Serve: Finish with optional herbs or extra Parmesan and serve.