Sweet, succulent leg of lamb is one of the world's great culinary treats. This spit roasted leg of lamb rotates on a spit to continually baste the lamb as it roasts.
Start by taking the rosemary and thyme off of the stems and finely mincing them and the sage. Mince the garlic up and put it in a bowl with the herbs, salt, pepper, olive oil, and lemon juice to make a paste.
Score the lamb with small criss-cross cuts around the leg. Rub the herb paste over the lamb, making sure that you get it into all of the nooks and crannies. Let the lamb rest for at least two hours before roasting.
Take the spit and insert in through the lamb. Spit roasting works best when you skewer the meat lengthwise as close to the center as possible, to keep the weight balanced. It's very important to secure the meat using the large forks that come with your rotisserie kit.
Roast the lamb over low heat until it reaches an internal temperature between 140 to 145℉. A three-pound leg will usually take around an hour and a half.
Take the lamb off the spit and let it rest covered with foil for 15 to 20 minutes. Slice and enjoy.