Nigella Lawson net worth: Nigella Lawson is food writer, journalist and broadcaster who has a net worth of $15 million. Nigella Lawson has earned her net worth writing book reviews for the Spectator, as deputy literary editor of The Sunday Times and as tje author of several books on food. Nigella has also appeared on many television cooking shows. Over the years she has been a columnist for several newspapers. She was born in London, United Kingdom.