Nick Ansell/PA Wire
Wasting food costs us an extraordinary amount of money. According to the RAP group, the average family throws £680 of food away every year - which adds up to an astonishing 7.2 million tonnes of food. In most of these cases, we have optimistically bought something and simply not got around to using it before it forms a mouldy mush in the bottom of the fridge.
But a new invention could dramatically transform those figures.