[From Wikipedia]
Lamb is often sorted into three kinds of meat: forequarter, loin, and hindquarter. The forequarter includes the neck, shoulder, front legs, and the ribs up to the shoulder blade. The hindquarter includes the rear legs and hip. The loin includes the ribs between the two.
Lamb chops are cut from the rib, loin, and shoulder areas. The rib chops include a rib bone; the loin chops include only a chine bone. Shoulder chops are usually considered inferior to loin chops; both kinds of chop are usually grilled.
Leg of lamb is a whole leg; saddle of lamb is the two loins with the hip. Leg and saddle are usually roasted, though the leg is sometimes boiled. Roasted leg and saddle may be served anywhere from rare to well-done.
Forequarter lamb meat includes considerable connective tissue and is best when cooked slowly using either a moist method such as braising or stewing or by slow roasting or American barbecuing. It is, in some countries, often sold pre-chopped or diced.
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