Created by one of my mentors, Pearl Byrd Foster of Virginia, this is possibly the best example I know of truly innovative Southern cookery. Illogical as it may sound, beef and oysters make a brilliant marriage, enhanced especially by the use of a less tender but more flavorful cut of meat simmered slowly for a long time for optimum succulence. The ideal vessel for preparing this is an enameled cast-iron pot. Pearl always served the dish with simple parsleyed new potatoes an