A delicious and succulent rosemary lamb recipe. Roast Leg of Lamb with Rosemary and Garlic Author: Paleo Recipe Book Prep time: 15 mins Cook time: 1 hour Total time: 1 hour 15 mins Serves: 4-6 Ingredients 1 leg of lamb, bone-in, about 5 ½ lbs. 12 sprigs rosemary, each sprig cut in half 6 garlic