Using a sharp knife make an incision into the pork halfway down, running parallel to the board, cutting almost all the way through. Open this pocket in the pork loin ... oven and roast for 1-1½ ...
However, if you're planning on stuffing a pork loin, butterflying is not only the best way to maximize the flavor of this dish, but it's also incredibly easy -- especially when compared to ...
To make the stuffed loin of pork, place pork, silverskin side down, vertically in front of you. With a large knife, make an incision along the length of the loin 2cm/3/4in from the edge.