It was issued in the rations of British soldiers during World War I to help stave off beriberi, as it is rich in thiamine. Launched in 1902, it quickly became popular in Britain and some of its former colonies, especially Australia, where several similar brands now exist. What is this British food spread, which takes its name from a French cooking pot, and is winkingly marketed as a product that people either love or hate?
Marmite