how long should you cook a 2lb pork roast
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.Especially in pork roast if you cook to high of temp. the roast will be to dry. Trust me. Put roast in roasting pan on top of carrots, onions, celery even apples, also 1/2 cup water.o more. Especially in pork roast if you cook to high of temp. the roast will be to dry. Trust me. Put roast in roasting pan on top of carrots, onions, celery even apples, also 1/2 cup water.