Mix ingredients for cornbread in a bowl until just blended. Smear cast iron skillet with a thick layer of softened butter. Bake at 400˚ for about 20 minutes or until just set in the middle.
Brown pork in a large skillet or pot and over medium heat, stirring until pork is cooked through. Add all remaining ingredients and simmer for about 5 minutes to form the sauce.
Cut a slice of the corn bread and top with barbecue pork to serve.