Pork fillet is very quick to cook but will soon dry out if overcooked. Remove any tough white membrane or sinew from the outside of the loin before cooking. If roasting a whole loin, stuffing it ...
Then wash it under cold running water and pat dry with apaper towel. Now use a sharp knife and cut the fillet into four equal portions, which on a 1kg steak should mean fillet medallions of around 5cm ...