Add the cream, Parmesan and ham with 3 tablespoons of the pasta water. Stir over a low–medium heat until the cream starts to bubble, then turn the heat down and stir briefly until the sauce is ...
Stir in the basil and season with salt and pepper. This can be left chunky or blended in a food processor for a smooth sauce. Serve spooned over cooked pasta with plenty of Parmesan cheese.