04:32The Food ChainBanh mi: A sandwich with a storyBBC World Service Duration: 27 minutes Thu 17th Aug 2023, 04:32 on BBC World Service Americas and the CaribbeanAvailable for over a yearListen nowHow the French baguette got a Vietnamese makeover and became a global hit. Show more GenresFactualFood & DrinkFormatsMagazines & ReviewsBrandThe Food Chain Source: BBC Online