Cut the leek into rings and sauté in 1 tablespoon clarified butter. Deglaze with the broth and cook covered for 5 minutes.
Quarter the King Klipp fillet and place a sage leaf on each. Wrap each slice of Parma ham and pin it with a toothpick. Fry in 2 tablespoon clarified butter on each side for about 4 minutes.
Heat the lentils in the leek broth for about a minute, stir in the cream and mustard, bring to the boil briefly and season well. Serve sprinkled with parsley.
A mashed potato, seasoned with nutmeg, goes well with it.
If you can`t get a king clip, you can also use cod, redfish or ling.