How To Know If Pork Tenderloin Is Cooked? Posted on 16.04.2022Author Alice FelixPosted in SnacksLeave a Reply The most accurate approach to determine the doneness of pork tenderloin is to use a probe thermometer to detect the interior temperature. When the flesh is cooked to 145°F, it is soft, juicy, and just a tad pink in the middle. Related posts: How To Order Your Steak? What Cut Of Meat Is Chicken Steak? How To Freeze Sirloin Steak? What Temp Is A Medium Steak Cooked To?