The kebab's flattened, sandal-sole shape may be exactly where its name comes from — some trace 'chapli' to the Pashto word for flat, others to 'chappal,' the Urdu and Dari word for sandal.
Ground beef or mutton is mixed with tomato, onion, egg, and crushed coriander seed, then pressed into wide, thin patties and shallow-fried in a cast-iron pan until deeply crisp at the edges. Peshawar's street vendors fry them fresh over open flame and hand them over wrapped in naan.