Often cook your food stuff in one layer Except the recipe states that stacking is okay (like in these air fryer French fries and sweet potato fries recipes) Air fryers cook meals rapidly and evenly, because of the concentrated heat source. The air fryer was invented by Philips in 2010. https://kameronujtck.post-blogs.com/51846369/a-secret-weapon-for-cook-companion-air-fryer