Food Unwrapped: Season 12, Episode 4

12 - 4: Whisky, Halloumi, Sweetcorn

In Scotland, Jimmy Doherty finds out how some whisky gets its smoky flavour. In Cyprus, Matt Tebbutt asks why halloumi cheese doesn't melt, while in France, Kate Quilton visits the world's biggest sweetcorn factory to find out how they get corn off the cob so neatly.