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.

The biggest players in Britain's crisp industry reveal what it takes to out-flavour, out-sell and outwit their rivals in the fierce battle for complete crisp domination.

This nostalgically sweet, and a little unsavoury, battle of Britain's biscuits reveals how the industry hobnobs stay ahead of the pack, from copycats and cost-cutting to high court battles.