Remove prime rib roast from refrigerator and let stand at room temperature for 1 hour. Meanwhile combine garlic, salt, pepper, oregano and rosemary together and rub over the surface of the roast. Place prime rib fat side up in a smoker safe roasting pan.
Prepare smoker for a 4 to 6 hour smoke at a temperature of about 225° F. When smoker is up to temperature put the roasting pan with the prime rib on top rack and add several water soaked chucks of wood. A mixture of apple and mesquite work good for this prime rib recipe.
About half way through smoking add chopped vegetables to the roasting pan with the prime rib and throw some more wood chunks on the fire. When done remove roasting pan from smoker. Place prime rib roast on carving board to rest for about 10 minutes. Place vegetables on serving dish and keep warm.
Place roasting pan on on stove over a medium heat. Add red wine and water to deglaze pan. Stir well and loosen any pieces of meat and vegetables. Add Worcestershire sauce, salt and pepper. Heat for about 2 to 3 minutes. Carve prime rib roast and serve with vegetables and au jus.Makes 4 Source: