Grace Dent: ‘The processed food debate is MSG-sprinkled class war'

Healthy-food campaigners may be sincere, but they do not know the pure joy of a Birds Eye potato waffle or Mint ViennettaIn 1988, aged 15, I made my first expedition to a magical, otherworldly kingdom. It was cold, frosty and pale in places, like Narnia, while other parts were a Willy-Wonka-esque explosion of colour and exquisite tastes. A land of limitless opportunity, it was just off junction 44 on the M6 near Gretna. The big Asda had come to Carlisle.For the Dent family, this was akin to a re