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Watch the BBC first on iPlayer 👉 https://bbc.in/iPlayer-Home Do you cook with fresh vegetables or frozen vegetables? Cherry Healey is delving into the wonderful world of science to try and prove which is better for you.

Gregg Wallace and Cherry Healey get exclusive access to some of the largest factories in Britain to reveal the secrets behind production on an epic scale.

Inside The Factory | Series 5 Episode 3 | BBC

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