Martin Lewis is back again with another interesting opinion on a common commodity. You may remember him warning against debit cards, but this time around, it’s the air fryer. Unfortunately, it is not very much in support of the convenient electronic kitchen appliance.

The air fryer has gained much popularity, especially since the pandemic and the subsequent increase in living costs. The kitchen appliance is advertised as being much healthier. They are also supposed to beat ovens on average operating costs. However, we may have jumped the gun on this small electric oven, and perhaps it is not all that is advertised.

Martin Lewis’ Honest Opinion On Air Fryers

In a recent The Martin Lewis podcast episode, Lewis explained that sometimes ovens are actually cheaper than air fryers. Martin, who is now 50, explained that microwaves provide consistent heat. However, ovens warm up to the highest they can get, then continue only to provide enough heat in spurts to maintain that temperature. As such, ovens do not spend the entire time going full power.

Martin Lewis even provides a specific scenario where ovens turn out to be much more cost-efficient. “If you were doing a full roast dinner and you were cooking many [jacket potatoes], it’s probably cheaper [putting them in the oven] than putting five or six jacket potatoes in a microwave because each additional object you put in a microwave, you need to keep it on longer because a microwave just heats the individual object”