A style of curry, usually of mediumheat, prepared with onions that have been cooked in two different ways.
He ate chicken dopiaza with plain rice and a nan.
1831, Arnot (translator), Sandford, “Indian Cookery, as Practised and Described by the Natives of the East”, in Miscellaneous Translations from Oriental Languages, volume I, London: J.L. Cox, retrieved 2016-07-03, page 19:
No.7 DOPIYÁZAH. Take Meat, ½ ser (1lb. avoir.) ...