1. First, wash the sweet potatoes and use a knife to cut out a few small slits on the surface, which will make it easier to dissipate the heat when baking.
2. Put the sweet potatoes into the air fryer and set the temperature to 180 degrees Celsius for 30 minutes.
3. After 30 minutes, open the air fryer, take out the sweet potatoes and check if they are baked by cutting them with a knife, if they are not yet cooked, you can bake them for a few more minutes.
4. After baking, take out the sweet potatoes and cut them with a knife, you can eat them directly or cut them into cubes and sprinkle some seasoning such as salt or olive oil on them, delicious and healthy.
It should be noted that different brands of air fryers may have slightly different settings, so please follow the guidelines on your own air fryer's instruction manual to bake the sweet potatoes. Also, the size and type of sweet potato will affect the baking time and temperature, so you need to adjust accordingly.