Put all the belly strips into a slow cooker pot. Cover with the lid and cook on high for 3–3½ hours or until the pork is tender but still holding its shape (no need to add any liquid).
Put to one side and repeat the same process with the other tenderloin ... sauce over each serving of pork. Serve with creamy mashed potatoes and some freshly cooked green vegetables.
Reverse searing is a foolproof way to respect the integrity of a rich and tender cut of lean meat, such as this tenderloin ... searing requires a long, slow cook for the meat to reach temperature ...