An oven took a much longer 76 minutes, and also cost more at 39p, although Which? testers noted that the meat was a little dry. If you were to opt for the oven instead, you’d also have to pay 24p - three times as much as it would cost when using an air fryer. If you’re trying to save time and money, the best appliance for cooking chips is an air fryer, according to Which? Featuring a unique textured control panel and a sleek mirror-finish door, the Inspire microwave boasts chrome accents that help to give that luxe feel to any kitchen.

Settings - most models will have several cooking functions to suit the types of meals you'll be preparing. Some microwaves will even have setting for your liquid contents. It's 20 litre capacity should fit all your favourite foods and is great for singles and smaller families who don't want anything too complicated. The oven took the longest amount of time and used 37p worth of energy - over 7 times more than the microwave.Many praise this microwave for its siple and easy to use design, that doesn't have all of the bells and whistles - just a simple and low energy microwave to use as needed. There has been a surge of interest in air fryers and smaller cooking appliances in recent months, and our research shows that the hype could be justified in some cases, as we’ve found these products cost less to cook certain foods than conventional ovens.

While air fryers and microwaves provided impressive results, Which? say it’s important to consider the initial outlay when looking at cost savings. Essentially a grill microwave is just like a microwave oven but with the addition of a specialised grill plate that you can use whilst cooking.Which? found that it cost 11p and took just 32 minutes - but it also meant having to sacrifice the distinctive crispy skin that other appliances still managed to achieve.

There's no need for multiple appliances, this one handy gadget will do it all for you. It's got a powerful 1000W and boasts an incredible 31 litre capacity, ideal for big family meals. Testers calculated how long it took, how much energy it used and, crucially, how much it cost to use different appliances to cook the same foods.As a combination microwave it features a grill function and convection oven mode. The 25 litre capacity Flat Tray design means you can place larger dishes inside without having to worry about if they'll get in the way, like a traditional spinning turntable would. The Accents colour range from Morphy Richards allows you to brighten up your kitchen with a selection of futuristic metallic shades. As with a lot of the other recipes though, it would only work well if you were to cook one or two potatoes due to size limitations. The pull handle makes for easy access, while the flatbed interior allows you to fit more food and a larger, square plates inside to cook - plus the large 23 litre capacity.