But it turns out you've probably been storing your olive oil wrong.
Pictured: The price of the cheapest bottle of 500ml olive oil in each UK supermarket] 'Once the bottle is opened it's exposed to oxygen, which causes the oil to deteriorate,' the experts added.
have warned that this could actually make your olive oil go rancid more quickly] Instead, they advise storing it in a cool, dark place.
While many people like to keep their olive oil next to the hob for easy access, experts from Which?
'Our experts recommend avoiding oil sold in clear plastic bottles, which can negatively impact the flavour of the oil,' it explained.
