how long to cook 2 pound roast in oven
Report Abuse. You should cook a 2lb pork roast at 325 deg. for approximately 1 to 1.5 hours. You should not use cooking time to measure when your roast is done. Because of the difference in oven temperatures.An Instant read thermometer should be placed in the center of the roast you are looking for a temperature of 160deg.no more.UT THICKNESS or WEIGHT COOKING TIME ROASTING: Set oven at 350Â° F. Roast in a shallow pan, uncovered. Internal temperature: 160Â° - medium; 170Â° - well done. Loin Roast, Bone-in or Boneless 2 to 5 pounds 20-30 min.