Are retro foods making a comeback?

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Jam roly-poly, treacle sponges, spam? What’s your favourite childhood food? The BBC’s Peter Ruddick has been to Grimsby to find out. He started by visiting The Pudding Co and chatted to owner Craig Jones. Plus, Prof Cathrine Jansson-Boyd, a consumer psychologist from Anglia Ruskin University explains why people are going retro with their food. Picture credit: Getty Images.