Sabich b'Pita (סביח בפיתה) is sabich in its classic pocket format: the Iraqi-Jewish assembly of fried eggplant, egg, hummus, tahini, Israeli salad, pickles, and amba packed into a fresh pita. The angle here is the pocket as the defining constraint. The pita holds the whole composition in a single contained pouch, which makes the sandwich compact and easy to eat standing up, but it also caps how much can go in before the walls give way. This is the version most people mean when they say sabich, and it works because the pocket forces restraint: everything has to fit and stay in proportion, so no element can run away with the sandwich. Done well it is a tight, balanced pouch where every bite carries soft, sharp, and tangy together; done badly it is an overstuffed pita that splits down the side and spills its load.
The build is layered into the pocket in an order that protects the bread. The pita is fresh and opened cleanly to a deep pocket, then lined inside with hummus, which both seasons and seals the crumb against the wetter elements. Fried eggplant goes in as the body, sliced and cooked until soft and silky rather than oily or raw. Sliced egg follows, long-cooked and dense in the traditional version or left jammy. Finely chopped Israeli salad is packed in for crunch and acidity, tahini is drizzled through to bind the soft parts, and amba is spooned, not poured, as the thread that ties the eggplant and egg to the sharp salad. Pickles and sometimes a little s'chug finish it. Done well, the pocket is full but intact, the eggplant properly fried, the salad sharp, the amba and tahini threaded through rather than dumped on top so no single note dominates. Done badly, the pita is overpacked and tears, the eggplant is greasy, or the amba is over-poured so the whole sandwich collapses into fermented mango.
Variation within the pita format is mostly in the egg, the heat, and the proportions. The egg can be a long-cooked brown egg, dense and savory, or a soft jammy one that adds richness and a little run. Some places lean hard on amba and chili while others keep it gentle and let the eggplant lead; potato, extra pickles, or a heavier tahini hand show up from stand to stand. The laffa-wrapped version, the amba that defines the sandwich, and the broader idea of sabich each carry enough identity to deserve their own treatment rather than being crowded in here. On its own terms the pita format is sabich at its most disciplined: the pocket sets the limit, and a sandwich that respects it stays balanced from the first bite to the last.