Heston's Great British Food: Chocolate

Heston Blumenthal seeks inspiration from the nation's rich history of chocolate-making to create a supersized chocolate bar. With help from leading brands, the chef crafts a homage to several popular treats as part of the first-ever Great Bar of Britain, which he unveils at a feast. He also makes a `Moos bar" - a combination of beef nougat, shortbread biscuit, and beef and Guinness caramel - and a unique range of goodies in an edible box