03For the vegetables:04Fill a bowl with water and squeeze the lemon into the water and add the lemon halves as well. Remove the tough outer leaves of the artichokes; stop when you get to the healthy, fresh light green looking leaves. Trim off any dark green or brown on the stem as well. Cut the in half and add to bowl of lemon water.05Remvove the artichokes from the water and add with the fennel, potatoes, garlic and crushed red pepper to a large roasting pan. Drizzle with olive oil and sprinkle generously with salt. Add the wine, thyme and bay leaves.06Nestle the lamb bones in the veggie mixture and place the 2 lamb roasts on the bones.07Drizzle with olive oil and place in the preheated oven. Roast the lamb for about 20 minutes, or until brown. Baste with juices and turn the lamb over and brown on the other side for about 20 minutes. Turn the lamb back over and baste again with the juices. Rearrange the veggies if they begin to burn. Reduce the heat to 350 degrees F and roast for another 60 minutes. Baste the lamb occasionally during the cooking process and add water to the pan if the liquid reduces too much.08Remove the lamb from the oven and let rest for 15 to 20 minutes.09Carve the lamb as desired and serve with the veggies and pan juices.