Shawarma b'Pita (שווארמה בפיתה), shawarma in pita, is the classic and most common format of the dish: spit-shaved meat packed into a pita pocket with salad, pickles, tahini, and hummus. The angle is the pocket as a self-contained vessel. Where laffa is rolled and prone to unravel, pita is a closed pouch that holds the entire assembly in one hand-sized package, the layers compressing and mixing as you eat. That makes it the compact, portable default, and it makes the sandwich hinge on two things: a fresh, supple pita that can be stuffed full without splitting, and meat shaved hot off a properly crisped spit so it holds up inside the closed, steamy pocket instead of going limp.
The build is the reference shawarma assembly contained in bread. The meat, most often turkey in Israel with beef fat layered through, sometimes beef or lamb, is marinated in the warm spice set, cumin, paprika, turmeric, cardamom, garlic, and stacked on the vertical rotisserie so it self-bastes, the cook shaving the browned outer face as the stack cooks. The pita is warmed and opened into a deep pocket, smeared inside with hummus or tahini to line and seal it, then packed: hot meat first, then chopped salad, pickles, often fries, with more tahini run through and s'chug added to taste. The defining discipline of the pocket format is the seal and the fill. Lining the inside with hummus or tahini keeps the salad's liquid from soaking straight into the bread, and the pita has to be fresh enough to take a full load without tearing at the seam. Done well, each bite pulls meat, salad, pickle, and sauce together, the meat still crisp at the center of the pocket, the bread soft but intact and soaking just enough to taste of the whole. Done badly, the pita is stale and splits so the filling spills, the pocket is overstuffed and tears, or the meat steams soft in the closed bread because it was scraped pale to begin with.
It varies by meat and heat the way every shawarma does, turkey as the light default, beef and lamb running richer, a chili-forward version pushing the heat, but the constant here is the contained pocket that keeps the format compact. The laffa version is its direct sibling, the same meat rolled in a larger flatbread for a bigger portion and a different bread ratio, the grilled-to-order version changes the meat step, and the chili-heavy version pushes the heat further. Those formats each carry enough identity to deserve their own treatment rather than being crowded in here. What stays constant in the pita version is the logic of the pouch: seal the inside, keep the pita fresh enough to hold a full load, and shave the meat hot so a closed, steamy pocket still delivers a crisp, balanced bite.