Beef Sirloin Joint M&S prime beef is expertly selected and reared on native pastures, free to roam and forage on root vegetables.  This Beef sirloin is matured for a minimum of 21 days to ensure a flavoursome and tender joint. The sirloin is a succulent cut of beef with a covering of natural fat, ensuring a full flavoured roasting joint. This joint is hand prepared and tied by our skilled butchers, giving you an easy-carve, easy cook prime roasting joint. 21 Day Matured Boneless, just season, roast and rest for succulence and flavour. From Select Farms - we know and trust 100% of M&S Select Farms products meet our high quality and environmental protection standards. We know and trust all our Select Farmers, so you can trust M&S for your fresh food. Cooking instructions  Needs cooking. Remove all packaging Allow the product to stond at room temperature for 30 mins before cooking. Preheat oven and baking tray. Oil and season surface of meat and sear all over in a hot frying pan, before transferring to a roasting tray and placing in the oven. Alternatively, sear in the oven at ELECTRIC 220°C  FAN 200°C GAS mark 7 For 10 mins, then reduce temperature as above to continue cooking. Remove from oven, cover with foil and rest for 30 mins before carving. Do not reheat  CARVING For best results, carve thinly using a sharp knife. 1. Secure a large chopping board by placing on top of a damp cloth. 2. Using a pronged carving fork, place the joint onto the chopping board with the fat at the bottom. 3. Secure the joint by pushing the fork through the centre of the joint from above and hold firmly. 4. Place the joint on the chopping board and slice thinly into 5mm slices using a sharp knife. 5. Only carve as many slices as required to preserve the succulence .and tenderness of the joint.