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The return of the programme exploring the secrets behind mass-produced food, with Jimmy Doherty heading to Paris to find out why baguettes go stale so much faster than sliced loaves of .. show full overview
Helen Lawal searches for the secret to perfectly shelled walnuts in California, while Matt Tebbutt hopes to discover what makes sweets sour. Andi Oliver investigates how the cloud gets into the hazy beers that are so trendy currently.
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