A whole lamb can feed up to 45 people. A lamb roast is perfect for smaller events, with the recommended minimum number for a lamb roast being just 14 people. Whole pig roasts need a minimum of 50 people. If you are very keen on pork roasts but are planning on having fewer than 50 people at your event Big Roast can offer a spit roast pork loin option. For more information follow the link – spit roast.