Cheered on by Nigella Lawson and honoured with a gong from the King, chef Ryan Riley, founder of Life Kitchen, talks to Victoria Young about the healing power of food, how he is still coming to terms with losing his mother, and why, after his own health scare, he has put together a new collection of joyful recipes for the readers of The Independent Sign up to our free Living Well email for advice on living a happier, healthier and longer life Live your life healthier and happier with our free