Pork loin becomes deliciously tender when cooked slowly with sauerkraut and apple in this recipe from Allrecipes cook Jamie. The apple sweetens the ta... See morertness of the sauerkraut, so even sauerkraut skeptics will love this simple and tasty recipe. Put everything in the slow cooker before you head out in the morning, and it will be waiting for you when you get home. Watch the video, then get the recipe for Jamie's Slow Cooker Sauerkraut Pork Loin.