Remove the broad beans from the pods and blanch them in boiling salted water for about 3 minutes. Then peel off the hard shells of the beans.
Cook the tagliatelle al dente according to the instructions on the packet. Put the cream, butter, chopped chives and diced ham together in a small saucepan and heat. Season with a little (!) Salt and pepper.
Mix the sauce into the tagliatelle, as well as the freshly grated parmesan and beans. Finally rub the zest of the lemon over it.