The origin of carbonara is unclear with several competing theories: [1] It may have originated with charcoal workers in Abruzzo who cooked the pasta over charcoal fires. [2] Another story is that Allied troops in Rome after WWII distributed rations including powdered eggs and bacon to locals, who used it to season pasta. [3] Alternatively, it may have developed from a similar Neapolitan pasta dish that was brought to Lazio during WWII. The simplest explanation is that the dish evolved over time within families and local restaurants in Rome.