Food Factory

Are there real tomatoes in instant soup? And how much seawater is in sea salt?

Stefan Gates examines the melting components of cheesy puffs and bubbly chocolate.

Stefan challenges John Torode and Lisa Faulkner to make rival 'wheaty breakfast bricks'.

Stefan challenges BBC Breakfast's Carol Kirkwood and Chris Hollins to make ice lollies.

Why do some pizzas contain 'fake cheese', and how horrible is dog food?

Stefan challenges Food Show hosts Simon Rimmer and Tim Lovejoy to make bags of sugar.