Crunch time: why has Walkers changed its salt and vinegar crisps?

Henry Walker might never have got into the crisp business were it not for the fact that his Leicester butcher’s shop was hit by meat rationing after the second world war. In 1948, when Walkers and Son started looking at alternative products, crisps were becoming increasingly popular — and so they shifted to hand-slicing and frying potatoes. The crisps were sprinkled with salt and sold for threepence a bag. Fast-forward 73 years and Walkers crisps are so integral to our way of life that when I bought a six-pack of salt and vinegar the other day and noticed they had changed the recipe it precipitated a personal crisis resulting in