Peinirli me Tyri is the cheese boat in its plainest, purest form, the version every other peinirli is measured against. The yeasted dough is shaped into the long crimped canoe, the well filled with nothing but cheese, and the whole thing baked open-faced until the rim crisps and the center goes molten. There is no egg, no meat, no sausage to lean on, which means there is nowhere to hide. The bread and the tyri have to carry it alone, and that is exactly why this one is the truest test of the form.
Because the filling is just cheese, the cheese choice and the bake are everything. The dough is rolled into an oval, the long sides folded in and crimped into a tall sealed wall, the ends pinched to points. A melting cheese goes into the trough, often a blend so there is both stretch and a salty, slightly tangy edge, generous enough to fill the well rather than line it. Into a hot oven until the rim is deep gold and audibly crisp, the cheese bubbling and just catching color on its surface. Good execution is a hull you can lift by the ends without it bowing, cheese that pulls into long strands when torn, and a contrast between the shattering crust and the soft molten middle. Sloppy execution is a pale bendy rim, a thin layer of cheese that bakes to a dry skin instead of staying liquid, or a wall so low the cheese runs out and scorches on the tray.
The variations are all additions to this base, which is why it sits at the center of the family. Crack an egg on top, fold in ground meat, lay in sausage, and you have moved to a different boat; each of those deserves its own article rather than being crowded in here. Even within plain cheese there is room: the blend can be tuned tangier or milder, a knob of butter can be run along the hot rim to gild it, a crack of pepper added at the door. But the discipline of peinirli me tyri is restraint, getting a crisp boat and molten cheese exactly right with nothing else to cover for it.