The most expensive cut of beef and also the tenderest. Allow 100-125g per person. It is very lean and because it has short fibres its very tender. . One of the nicest and simplest ways to enjoy beef fillet is to poach in its vacuum pack at 57 degrees for medium rare from frozen then pan fry it. As a whole is used for chateaubriand. Please book well in advance. Usually comes in packs of 2 steaks (around 150g-200g*2). approx £10 a pack. price is for a kilo.