Wash or brush the black salsifies under running water, peel and place in vinegar water (3-4 tbsp vinegar and 1/2 litre water). Cut the black salsifies into pieces about 5 cm long.
Cook in boiling salted water with 4 tablespoons of milk for about 15 minutes. Melt the fat in a saucepan. Stir in flour and sweat briefly. Add vegetable stock and 200 ml milk while stirring. Bring to the boil, boil for 3-5 minutes and season with salt and pepper.
Wash the meat, dab dry. Heat oil in a pan. Fry the chops for 3-5 minutes on each side. Pour black salsify into a sieve and drain. Add to the sauce and fold in.
Wash parsley, shake dry, pluck leaves from the stalks and chop. Arrange meat and black salsify and sprinkle with parsley.