Bring the steak to the room temperature. Make the marinade: Mix the oil and mustard and add the spices. Brush the meat with the marinade and leave for at least 1hour.
2
Heat oil in a thick bottom pot, and add carrot, celeriac, and parsnip. When lightly browned, add pork bones, cover with 2l of warm water and cook for about 30min till you get a thick stock. Strain.
3
Heat the nonstick pan to hot, not smoking and brown the meat on all sides 6 to 8 min turning the meat every minute. Remove from the stove and keep warm.
4
Add chopped shallot and garlic and fry for another 3min ( you may need to add some butter if the pan is dry). Deglaze the pan with the glass stock and boil down quickly till you get a thick sauce.