With ovens with an airfry function, you can make fries and oven snacks crispy. With ovens with this function, you get a special baking sheet with holes. This way, the hot air reaches your food on 2 sides so it cooks well. You can also make your vegetables crunchy this way. Use a little bit of oil and set the airfry program. With a few ovens with an airfry program, pre-heating isn't necessary. You can slide the baking sheet with your food in the oven right away.