Learn about the Mastercard Site Data Protection Program and PCI. Along with industry colleagues, Mastercard founded and developed the Payment Card Industry Data Security Standard (PCI DSS) in 2006. To help acquirers, merchants and service providers comply with this critical standard, Mastercard also offers the Site Data Protection Program (SDP).
1 Cook the beef at 200F until its internal temperature reads 25-30 degrees below the desired doneness. This can take 4 to 8 hours depending on the size of the roast, and how cooked you like it.  Turn the heat up to 500F and cook it until it reaches 5 to 10 degrees below the desired doneness.
3. Cooking Temperature. There are varying opinions about what the perfect temperature to cook a roast beef but in my experience starting the beef in a very hot oven 425F/220C/Gas 7 for the first 30 mins then lower the temperature to 375F/190C/Gas5 for the remaining cooking time then ..... Cooking Temperature. There are varying opinions about what the perfect temperature to cook a roast beef but in my experience starting the beef in a very hot oven 425F/220C/Gas 7 for the first 30 mins then lower the temperature to 375F/190C/Gas5 for the remaining cooking time then ....