In a large bowl, combine the ground meat, sausage flesh, onion, half of the ketchup, bread crumbs, eggs and Worcestershire sauce. Season well with salt and pepper.
Feel free to use your hands to make a nice bread the size of your slow cooker.
Place the meatloaf in the slow cooker.
In the same bowl, mix all remaining ingredients to form the sauce.
Pour the sauce on the bread. Cover and cook at low intensity for 8 hours or at high intensity for 4 hours.