How to Cook a Sirloin Tip Roast?
To cook a sirloin tip roast, cook at 500 degrees F for 20 minutes, then lower the temperature to 350 degrees F and cook until the internal temperature is 120-125 F for rare, 140-150 F for medium, or 160-170 F for well done. You can find more information here: http://www.howtocookmeat.com/howtoroasts…