Clean, wash and chop the beans. Cook in boiling salted water for about 10 minutes. Drain and rinse with cold water.
Cut the meat into very thin slices. Fry in hot oil for 1-2 minutes on each side. Take out. Sweat the flour in the frying fat. 1⁄8 l Stir in water and cream, bring to the boil and simmer for about 5 minutes.
Fry gnocchi in hot butter for 7-8 minutes. Season the sauce with mustard, salt and pepper. Heat up the beans and cured pork in the sauce again. Serve everything.