This street food snack from San Miguel de AllendeĀ is 15 pesos (about $1.25) and is prepared as such:
1) insert wooden stick into ear of corn
2) slather corn with mayonnaise from a huge jar that has been sitting, open, in the heat since it left the factory
3) sprinkle on some cheese that is similar to parmesan
4) sprinkle on chili powder