For anyone who regularly visits Taiwan, the city of Tainan can easily be missed with the other three major cites of Taipei, Taichung, and Kaohsiung.  Yet that would be a grave mistake if you consider yourself a foodie.  A word of warning, driving in Tainan is atrocious – there are only two major roads going into the city off of Highway 1.  Yet if you brave the driving conditions and/or decide take the train (HSR or TRA), make your way to the old historic district and you will be pleasantly satiated with all sorts of Taiwanese small eats (台灣小吃).  This…