Pan con minuta is a fried fish sandwich built around a fillet that is deliberately longer than its bread. A thin snapper fillet is breaded and fried fast, and it is laid into a split Cuban loaf so that the tail end sticks out past the crust, left exposed on purpose rather than trimmed to fit. That overhang is the signature of the sandwich. It is a visual promise that the fish was not portioned down to a bun, and it keeps the crisp tail out of the steam trapped inside the bread so part of every fillet stays shatter-crisp to the last bite.
The craft is a frying problem managed against a soft loaf. The fillet is thin enough to cook through before the breading darkens too far, fried hot so the coating sets into a brittle shell rather than soaking up oil. Cuban bread is the carrier because its thin crust and tender, lard-enriched crumb give way against a delicate fillet instead of fighting it, and it is split and barely dressed: shredded lettuce, a few slices of tomato, and either a tartar-style bound sauce or a garlic mojo applied at assembly. The sauce supplies the acid and the fat the fried fish lacks; the lettuce supplies the cold crunch. Timing is the whole discipline, because the fillet has to travel from fryer to bread to hand before the trapped heat turns the breading inside the loaf to paste. Built right it eats clean, the exposed tail snapping while the enclosed center stays moist.
Pan con minuta belongs to Miami's pressed Cuban and Florida Latin family, each a different build on the same loaf. The Cuban runs roast pork, ham, Swiss, and pickle under the plancha; pan con bistec uses pounded steak and shoestring potatoes; pan con lechón runs citrus-mojo roast pork; the medianoche moves the Cuban onto a sweeter egg roll. Each is a codified build with its own logic and deserves its own article rather than being crowded in here.