While perfecting his secret recipe with 11 herbs and spices, Sanders found that pan frying chicken was too slow, requiring 30 minutes per order. Now, that’s not the easy way … Deep frying the chicken required half the time, but produced dry, unevenly done chicken. The spice blend is shipped from different locations in the United States before the final blending. Colonel Sanders' nephew shows off list of 11 herbs and spices. In 1939 he found that using a pressure fryerproduced tasty, moist chicken in eig… KFC secret recipe revealed? We’ve got to keep it a secret from those imitators creating KFC copycat recipes that just don’t come close to the real deal. By the very late 1930s, Harland Sanders' Corbin, Kentucky, gas station was so well known for its fried chicken, that Sanders decided to remove the gas pumps and build a restaurant and motel in its place.