Buenos Aires pizzerias serve it stacked directly on top of a slice of pizza, a combo locals call 'a caballo' ('on horseback'); across the river, Montevideo is just as devoted to fainá.
A thin, dense baked flatbread made from chickpea flour, olive oil, and water, cut into wedges or squares and sold by the slice at pizzerias across Buenos Aires. It's eaten on its own or layered on a slice of pizza.