Marinated in spiced yoghurt, Kashmiri chillies, and garlic, then roasted over roaring tandoor charcoal embers with charred edges.
Cut the onions into thin rings and separate them.
Warm the vinegar with the sugar and salt until dissolved, cool slightly, and pour over the onions with the chili powder.
Set aside for at least 1 hour until the onions turn pink and lightly pickled.
Drain lightly and serve these sirke wale pyaz alongside seekh kebab.