What about culture-specific foods? Like, black pudding (http://en.wikipedia.org/wiki/Black_pudding) or tamales (http://en.wikipedia.org/wiki/Tamales) or basashi (http://en.wikipedia.org/wiki/Basashi) or rollmops (http://en.wikipedia.org/wiki/Rollmops)?

Things that people from one culture might like, but people from other cultures might think was strange or disgusting?