Rub potatoes with olive oil and sprinkle evenly with salt.
Arrange potatoes in a single layer in air fryer basket.
Cook at 400 ° for 30 minutes. Open air fryer, flip potatoes and check for doneness. If a knife inserted does not go in smoothly, cook for an additional 10 minutes.
Check potatoes again. If you have large potatoes you can cook for 5 more minutes until they are soft.
Use a tongs to remove the potatoes and serve with your desired toppings.
Notes
You can also check a potatoes doneness with a thermometer. If it reads 205 ° it is done.