how long to cook roast beef for
How long and at what temperature should I cook a beef roast in the oven? Roasting is a great cooking method for a large, tender cut of beef  such as a rib or sirloin roast.Sirloin-tip, rump, rolled-rump, eye-of-round or top-round roasts will also benefit from this cooking method if they are graded prime or choice. sirloin roast of 8- to 12-lbs will take 16-20 minutes for rare, 20-22 for medium rare, 23-25 for medium, and 26-30 for well done. A boneless top round, by contrast, will take 28-30 minutes for rare, 30-33 for medium rare, 34-38 for medium, and 40-45 for well done.
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 ....