Shin wash, dry. The garlic cloves cut in half and the force be the knuckle. Also her force be, and cloves. RUB it with olive oil. Salt, pepper, add the thyme. The onion and the lemon cut into circles and put them over and under the shank. Wrap it with parchment paper. In a pan pour some water and put the knuckle in the oven, preheated to 180 degrees for 3 hours. Watch, that water did not boil away completely, as required fill up with water. The last 20 minutes remove the paper to knuckle flushed.

For the sauce feta grate.

Heated in a saucepan the milk, add the feta, mustard, marjoram. Cook the sauce for several minutes after boiling, stirring constantly.

About half a spoon of corn starch dilute in a small amount of cold water. The sauce is not thick, if you prefer a thicker consistency, add a full spoon of starch. Add starch to the sauce and cook for another few minutes. If you cook the sauce in advance, cover it with clingfilm so that it touches the sauce.

My potatoes (if he is young, no need to peel), boil in salted water and cut it in large pieces (quartered). Put quarters in a pan with hot olive oil, add the thyme, you can optionally add the garlic. Fry until Golden brown.