Lahmacun (לחם עג'ין) is the thin flatbread topped with spiced minced meat, baked, and rolled up to eat by hand, a sandwich in the sense that the bread is the structure and the meat is a thin layer fused to it rather than piled on. The angle is the ratio of crust to topping. The dough is rolled very thin and the meat is spread thinner still, so the whole thing is mostly crisp bread carrying a savory, slightly tangy smear; the eating experience depends on that layer being even and the bread being crisp at the edge but foldable enough to roll.
The build starts with a thin round of lean yeasted dough rolled out wide. The topping is a paste of finely chopped or ground lamb or beef worked with grated tomato, minced onion, sweet pepper, parsley, and warm spices, sometimes a little pepper paste for color and tang, smeared in a thin even film right to the edge. It bakes fast on a hot stone or oven floor until the dough firms and browns underneath and the meat cooks through and tightens onto the surface. To eat it is squeezed with lemon, often topped with parsley, sliced onion, and chopped tomato or salad, then rolled into a loose cylinder. Done well the base is thin and crisp at the rim but still pliable enough to roll without snapping, the meat layer thin, even, juicy, and bright with tomato and acid. Done badly the dough is rolled too thick and eats like heavy bread, the meat is laid on in a wet mound that steams the base soggy, or it is baked so long the whole thing dries to a brittle, joyless cracker.
It varies by region and by how much it leans toward heat, acid, or richness in the meat paste. Some versions push pepper paste and chili hard; others stay mild and let tomato and parsley lead. As a rolled, hand-held form it is filled at the table with the same companions as a wrap, parsley, onion, lemon, and salad, which lets a single thin flatbread eat like a full sandwich. Plain and unfilled it is closer to a pizza-style flatbread and belongs to a different treatment. On its own terms it is a discipline of thinness: a thin crisp base and a thin even layer of bright, spiced meat, rolled and eaten while hot.