I was a bit puzzled by the cooking instructions as it says to remove all packaging and place fillet in oven dish. Due to peppercorn sauce I decided to transfer the joint and meat into foil and then into an oven dish. It cooked superbly at the required temperature (I turned joint round 180o once). The joint came out delicious, succulent and melt in mouth. I served with garlic mash and Chinese stir fried vegetables and the meal was enjoyed by myself, wife and two girls.