Wash the potato thoroughly
Pat the potato dry
Pierce the potato several times with a fork
Rub the potato with a little oil
Sprinkle with salt if desired
Preheat the air fryer to 400°F
Place the potato in the air fryer basket
Air fry for 35 to 45 minutes
Turn the potato halfway through cooking
Check for tenderness with a fork
Cook a few more minutes if needed
Remove the potato from the air fryer
Let it cool slightly before serving