Does a happy chicken lay a tastier egg? How do the supermarkets get avocados 'ripe and ready'? And why does one type of balsamic vinegar cost 100 times more than another?

Jimmy Doherty asks: what exactly is in a doner kebab? Meanwhile, Kate Quilton wants to find out the safest way of eating oysters. And finally, Matt Tebbutt learns about the amazing ingredient that comes in every bottle of that classic English tipple gin.

Jimmy, Kate and Matt ask how much cow is in a beef stock cube, how cornflakes are made, and what exactly processed cheese is.

The team ask: is mouldy bread safe to eat? Kate's on the trail of the chicken that goes into a Kiev. And Matt is puzzled: how can supermarkets sell English summer apples in the middle of winter?

The team ask: Why are cashew nuts never on the supermarket shelf in their shells? What exactly is scampi? Does expensive salt taste different to cheap salt?

How is caffeine removed from coffee? What puts the chew into chewing gum? How are the calories counted in diet bread?

Can hot chilies injure you? What's the difference between outdoor-bred and outdoor-reared pork? And what's bugging Jimmy about red food dye?

Are fresh sardines better for us than tinned sardines? How much is known about the ducks we consume? And, when it comes to pasta, is fresh best?