Meat is the edible portion of mammals that contains muscle, fat, bone and connective tissue. It is usually the most expensive food item, accounting for 30-70% of food costs. The main types of meat are beef, veal, lamb, pork and variety meats. Beef comes from cattle over 1 year old, veal from young cattle 3-14 weeks old. Lamb is from sheep under 14 months while mutton is from older sheep. Pork is from hogs under 1 year old. Variety meats include organs and offal. Meat is inspected to ensure it is wholesome and safe to eat and may also be graded for quality. Common cooking methods for meat include high-heat browning