how long to cook a boneless beef roast
23mins. This easy cooking method allows you to cook PERFECTLY tender boneless beef roasts (from rare to medium-well) of almost any size, as long as the roast is at least 2-1/2 to 3-inches thick. Place roast in roasting pan and bake according to the following Cooking Chart:. 2  RARE - 3 minutes per pound. 3  MEDIUM RARE/RARE - 3 1/4 minutes per pound. 4  MEDIUM RARE - 3 1/2 minutes per pound. 5  MEDIUM - 4 minutes per pound. 6  MEDIUM WELL - 4 1/2 minutes per pound. 7  WELL DONE-not recommended with this method.