The key to air frying is air circulation. An air fryer works like a small convection oven, with an especially powerful fan that keeps the hot air moving constantly above, below, and around food ...

I did the math to see how much cheaper an air fryer is to run compared to a full-size oven.

Food content creator Christina Kynigos talks about the influence of her grandparents on her recipes and the air fryer craze.

Experts have calculated exactly how much an air fryer, oven and microwave use electricity-wise in Ireland, and subsequently what they add to electricity bills.

Find out whether it's cheaper to cook using an air fryer or to pop your food in the oven – as electricity prices remain high.

MailOnline spoke with blogger Liana Green, who has written countless guides to help convert your favourite oven recipes to air fryer dishes.

Our friends at The Money Edit put the oven vs the air fryer to the test to find out which is cheaper. But first, consider our other articles about home energy savings.