The ingredients, cooks, techniques and tools that have shaped our love of food.We all love to eat and most of us have a favourite ingredient or dish. In today's world we can get the food we want, when we want it, but how many of us really know where our much-loved recipes come from, who invented them and how they were originally cooked? In this book William Sitwell, culinary expert on BBC2's 'A Question of Taste' and editor of Waitrose Kitchen magazine, takes us on a colourful, whirlwind journey...