Roll the salt pork out thin. Wrap roast with the salt pork. Refrigerate 10 - 12 hours. Preheat oven to 350° F. Remove and discard the salt pork. Rub roast thoroughly with dry mustard. Season with salt and pepper.
Place in roasting pan and surround with vegetables. Pour tomatoes over vegetables. Cover and bake 2 hours for medium doneness. For well done, bake an additional 35 - 45 minutes.
Servings: 6