Wash and scrub the potatoes
Pat the potatoes completely dry
Pierce each potato several times with a fork
Rub the potatoes lightly with oil
Sprinkle with salt if desired
Preheat the air fryer to 400°F
Place the potatoes in the air fryer basket in a single layer
Air fry for 35 to 45 minutes, turning halfway through
Check for doneness by inserting a fork or knife into the center
Cook a few minutes longer if needed until tender
Remove from the air fryer
Slice open and serve with desired toppings