If using slabs, cut each crosswise in half. Place ribs in a shallow roasting pan; ... discarding basting square. Grill ribs over low coals (275-300 ... ribs generously with Barbecue Sauce; grill 8 minutes. Turn ... hour. Yields 3 cups.
Ingredients: 14 (catsup .. mustard .. salt .. sauce .. sugar .. vinegar ...)