Wash the potatoes and cook them for about 20 minutes in boiling salted water. Warm the cream leek for 15 minutes in a covered pot at low heat, stirring from time to time. Wash pork chops, dab dry and season with pepper.
Heat the oil in a pan and fry the meat in it from both sides for about 5 minutes each time, salt it. Drain and peel the potatoes. Arrange chops, potatoes and leek on plates. Sprinkle colourful pepper over the potatoes.
Grate the cheddar cheese and put it on the cream leek. Serve garnished with chervil leaves.