Barbecued Pork Chops

2 teaspoons mustard
1/3 cup water
1/3 cup cider vinegar
1/2 cup ketchup
2 teaspoons salt
1 teaspoon sugar
1/2 teaspoon cayenne
2 tablespoons salad oil
6 lean, loin pork chops, 1 inch thick

Mix mustard with water and then add the next 6 ingredients. Heat to boiling point. Arrange pork chops over a slow-burning charcoal fire. Cook until browned on both sides and thoroughly cooked through the center, about 50 minutes, turning and brushing with warm barbecue sauce every 5 minutes or as often as chops look dry. serves 6