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The Secret World of Chocolate

A behind-the-scenes exploration of Britain's biggest snack rivalries, from Aeros vs Wispas to Penguins against Clubs, and Wotsits take on Quavers

From Dairy Milk to Yorkie and Galaxy, the battle to be Britain's favourite chocolate has raged for decades. This look at the fierce confectionery fight reveals what it takes to hit our sweet spot.