"Chocolate Salty Balls (P.S. I Love You)" is a 1998 song from the animated comedy TV series South Park, performed by the character Chef and featured on the soundtrack album Chef Aid: The South Park Album.The song's vocals were performed by Isaac Hayes, the voice actor for Chef. The song as it originally appeared was in the 1998 episode, "Chef's Salty Chocolate Balls", where Chef creates a confectionery treat, the eponymous Chocolate Salty Balls. He then begins to sing the lyrics that became the basis for the single. It reached No. 1 in the UK Singles Chart and Ireland, while peaking in Australia at No. 14. The song was written by South Park co-creator Trey Parker and produced by Rick Rubin.