That is so divine, I can't tell you! It's incrediblysimple to make: you takefreshlimejuice, a 9 pinch of sugar, loadsofcachacashakeitoverice and that's it.
Stop first at Brazilian restaurant Feijao do Luis for a delicious caipirinha, where crushed ice and brown sugar are doused with potent cachaca and lime juice, before continuing on to Mexico via taco-toting Casa Morita and El Panzon.