Preheat oven to 400° F.
Mince Battuto ingredients. Add 1 tsp olive oil to make a paste.
With sharp knife, make 6 to 8 slits in lamb and fill with Battuto. In open roasting pan, place 1/2 cup olive oil. Add lamb, turning over repeatedly to coat.
Sprinkle with 1 tsp rosemary and remaining salt and pepper. Surround lamb with quartered potatoes, giving a turn to coat with oil. Bake for 10 minutes, then reduce heat to 375° F, and roast 45 minutes or until lamb is 160° F.
Baste lamb and turn potatoes with spatula several times.
Servings: 8