KFC's secret recipe is a closely guarded secret that has been passed down through generations. It is said to contain a blend of 11 herbs and spices that give KFC's fried chicken its unique and delicious flavor. The recipe is so secret that it is rumored to be locked in a vault, with only a select few people having access to it. KFC's fried chicken is known for its crispy coating and juicy meat, making it a favorite among chicken lovers worldwide.