

Air fryers have become a kitchen staple for many, but common air fryer mistakes can lead to uneven cooking, longer cooking times and even excess smoke
Air fryers have revolutionised home cooking, slashing preparation times and freeing up precious minutes during hectic weeknight dinners. Yet there’s one frequent error that can result in inconsistent cooking, potentially wasting the time you’ve saved by sending food back for another round.
In January alone, more than 26,000 Google searches for ‘how to use an air fryer’ have been made, with both newcomers and seasoned enthusiasts falling into the same traps. With this in mind, Ninja Kitchen has identified the most prevalent air fryer blunders people make and exactly how to prevent them.
Wrapping food with parchment paper or aluminium foil
The specialists have disclosed that one major error people make is covering their food with parchment paper or aluminium foil before placing it in the air fryer. “Whilst it’s safe to use parchment paper and aluminium foil in your air fryer, many air fryer users are doing so unsafely,” they explain.
“Covering or wrapping your food in parchment paper or aluminium foil can block the airflow in your air fryer, and if not secured properly, can increase the risk of fires if the paper or foil comes in contact with the heating element.
“When using parchment paper or aluminium foil, it is essential to ensure the paper or foil is placed underneath the food, or grill plate, as the weight of the food helps keep it in place and prevents it from lifting during cooking.”
Using too much oil
Another frequent error is adding too much oil, which creates excessive smoke, greasy results, and inconsistent cooking. Rather than pouring your usual amount of oil, choose a spray version.
Neglecting to shake or flip the food
Shaking or flipping the food is a vital step when operating the air fryer. The experts explain: “Failing to shake or turn food during cooking can disrupt the circulation of hot air inside the air fryer and can lead to food cooking unevenly.”
Missing out the pre-heat phase
Many assume that preheating your air fryer isn’t necessary, but in reality, it is. Preheating your air fryer allows it to reach the ideal temperature and ensures food cooks more uniformly.
Cramming the basket
“Overfilling your air fryer past the recommended capacity can restrict airflow and prevent hot air circulation,” the experts caution. “This can result in uneven cooking, longer cooking times, and even excess smoke. In some cases, overfilling your air fryer can lead to the appliance overheating.”
Air fryer safety guidance
Alongside these warnings, the experts have shared three key safety tips for using your air fryer:
- Ensure the area is well ventilated, and the appliance is positioned at least 12cm away from any surfaces, such as walls, while in use.
- Always watch your air fryer when it is in use.
- Clean your air fryer after every use.
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