The market square outside Mi Tierra is suddenly alive with noise, colour and the aroma of muscular street food: the city is out in force to celebrate its Hispanic chilli queens, whose saucy banter and impromptu singalongs made every night a street party - until the 1930s, when the civic authorities despaired of their ribaldry and laissez-faire approach to food hygiene.
BBC: The perfect chilli con carne in the heart of Texas