(Bloomberg) — Asma Khan has a vivid reminiscence of the primary time she encountered rooster tikka masala, the bastard youngster of Indian cooking and British style. It was in 1992, and he or she was newly arrived within the nice English college city of Cambridge, the place her husband was learning regulation. A professor invited the younger couple to dinner at an Indian restaurant, the place he ordered the dish, a staple of curry homes throughout Britain.