The original post: /r/todayilearned by /u/sig19992 on 2024-11-14 18:34:49.

Original Title: TIL that KFC’s handwritten recipe is stored in a safe within a vault at KFC’s Louisville headquarters. To maintain confidentiality, KFC employs two separate suppliers: one blends part of the recipe, and the other completes it, ensuring no single entity has access to the entire formulation.