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

In a letter to Katie Morley, consumer champion for the Telegraph, CK from London explained that her £4,000 Smeg hob doesn’t work with her Le Creuset pans. She said she was ‘furious’ because she had renovated her kitchen and had a marble worktop cut to fit it. ‘Given the price tag, I expected it to