Robin Cook, the former foreign secretary, famously declared in 2001 that chicken tikka masala was now Britain's national dish.
A new book is highlighting the fact that Indian food is the product of a fusion of different food traditions.
The Mughals brought Persian dishes to northern India, Portuguese merchants introduced marinades and chillies they had discovered in the New World and the British came with their passion for roast meat.
Martha Kearney will be talking to Lizzie Collingham about her new book on the colourful and eventful history of curry and the creation of Britain's most popular food.
Curry: A biography by Lizzie Collingham, published by Chatto & Windus - ISBN 0-701-17335-1