Kentucky Fried Chicken, commonly referred to as KFC, operates as a popular restaurant specializing in fried chicken. The chain earns notoriety for the Original Recipe, fried chicken made from a secret blend of herbs and spices. Other signature items offered by KFC include Extra Crispy Chicken and Kentucky Grilled Chicken. KFC also sells home-style side items, such as mashed potatoes, coleslaw, corn on the cob, biscuits, mac and cheese, green beans, and potato wedges. With over 17,000 locations, KFC operates as the largest fried chicken chain and the second largest quick service chain in the United States. Headquarters for the international restaurant chain reside in Louisville, KY.