The focaccia di Recco is defined by a technique that most flatbreads never attempt: the dough is unleavened and stretched almost to nothing. A simple mix of flour, water, olive oil, and salt is rested, then pulled by hand over the backs of the fists until it is a sheet so thin it is nearly transparent, large enough to drape a baking pan. Soft crescenza cheese is laid across it in loose, walnut-sized lumps, a second sheet just as thin is stretched over the top, the edges are crimped shut, and small tears are opened across the surface so steam can escape. Into a very hot oven it goes, and within minutes it comes out blistered into a relief map of amber bubbles, the cheese sealed inside gone liquid and faintly sour. It is not a bread you fill so much as a cheese you wrap in the thinnest possible pastry.
The craft is entirely in the contrast between the two textures the heat produces, and the whole thing fails if either is off. Where the dough sits directly on the oiled pan or rises into a blister, it bakes brittle and snaps; where it lies flat against the molten cheese, it stays pliant and silky. That alternation of crack and give within a single bite is the point. The cheese has to be young and fast-melting so it flows before the paper-thin dough can burn, and the oven has to be fierce enough to set the structure in the few minutes before the sheets dry into something tough. This is food on a short clock. It is cut into rough squares and eaten with the fingers straight from the pan, while the blisters still shatter and the crescenza still strings, because a focaccia di Recco left to cool slumps into a chewy, flat disappointment.
The closely related names sit within arm's reach of each other. The focaccia di Recco con formaggio is the same construction with the cheese spelled out in the name, the formal designation that travels on menus. The broader Ligurian focaccia col formaggio is the generic term for the whole unleavened, cheese-sealed idea as it is baked under other town names along the coast. Each of those has its own treatment and deserves its own article rather than being crowded in here.