Take the chicken legs out of the fridge: You can skip this step, however (if you forget to take them out), and reheat them straight from the fridge but it may take a little longer.

Preheat your air fryer: Preheat the air fryer to 200°C/400°F, and set the timer to 20 minutes.

Heat the chicken: Add the chicken pieces to the air fryer basket in a single layer and heat them for 10 minutes.

Check the temperature: After 10 minutes, check the internal temperature of the chicken with a meat thermometer. The best way to do this is by sticking the thermometer into the thickest chicken part. If it reads at least 71 degrees Celcius/160 degrees Fahrenheit, it is good to go! If you don't have a meat thermometer, just check that the inside of the thickest part of the chicken feels nice and hot.

If the chicken isn't hot enough: If my chicken is almost hot enough at the 10-minute mark but not quite there, I keep reheating it in 30-second intervals until it reaches the right temperature.

Rest: Rest the chicken for 5 minutes. It will continue cooking inside a little and then let the cooked chicken cool for a few minutes so that it's easier to eat. Resting the chicken also keeps it nice and juicy!