The Mutton Puff is puff pastry with a spiced mutton filling, a bakery-counter snack found across India in the glass case beside the patties and rolls. The angle is the pastry itself: unlike the soft breads and griddled parathas that carry most Indian street fillings, this is a laminated, flaky shell that shatters and flakes, a baked rather than fried or wrapped format. It is sold at room temperature or gently warmed from a bakery, eaten out of hand from a paper napkin, the kind of thing bought with chai on the way somewhere rather than sat down for.
The build is a pocket, not a stack. Goat mince is cooked down with onion, ginger, garlic, green chili and warm spices until dry and well-seasoned, then cooled so it does not steam the dough. A square or rectangle of layered puff pastry is loaded with a spoon of the mince, folded over and crimped or rolled closed, glazed, and baked until the layers separate and rise into a crisp, deep-golden case. Good execution shows in pastry that is genuinely flaky and lifted, with visible layers and a clean snap, not a dense, pale, bready slab; a filling that is dry and assertively spiced so it does not leak or go bland inside the rich crust; and a seal that holds through baking so the pastry stays crisp rather than soggy at the seam. Sloppy versions are underbaked and doughy, greasy from too much shortening, or stingy and dry inside with a thin smear of under-seasoned mince lost in too much pastry.
Variation is mostly about size, filling ratio, and seasoning weight. Smaller puffs from a busy bakery skew toward more pastry and a modest filling, eaten as a quick two-bite snack; larger ones carry a denser mince load and eat as a small meal. Some counters cut the mince with potato or peas for a softer, milder interior; others keep it pure spiced goat for a meatier, sharper bite. The same flaky case appears with chicken, egg, or vegetable fillings, with the meat cut being what marks the mutton version. The fried, crumbed-and-shaped mince snack from the same kind of counter, the mutton cutlet, deserves its own article rather than being crowded in here. What defines the puff is the eating: a crisp, layered, buttery shell giving way to a pocket of dry spiced goat, with the pastry doing as much of the work as the meat.