6/6 Stefan challenges Food Show hosts Simon Rimmer and Tim Lovejoy to make bags of sugar.
5/6 Why do some pizzas contain 'fake cheese', and how horrible is dog food?
4/6 Stefan challenges BBC Breakfast's Carol Kirkwood and Chris Hollins to make ice lollies.
3/6 Stefan challenges John Torode and Lisa Faulkner to make rival 'wheaty breakfast bricks'.
2/6 Stefan Gates examines the melting components of cheesy puffs and bubbly chocolate.
1/6 Are there real tomatoes in instant soup? And how much seawater is in sea salt?