Softened onion and leek, added garlic then chopped mushrooms and cooked chicken - sauteed until a bit softer. Added chicken stock and simmered for 10 mins. Added good handful of chopped cavolo nero, simmered again for 5 minutes. Boiled pasta. Added splash of cream and small handful of grated cheese to sauce and mixed together. Lots of black pepper.
Simple and delicious. Victim had seconds.