Preheat air fryer to 400 degrees F (200 degrees C).
Brush potatoes with peanut oil and sprinkle with salt. Place them in the air fryer basket and place basket in the air fryer.
Cook potatoes until done, about 1 hour. Test for doneness by piercing them with a fork.
The potatoes do not need to be pricked with a fork before cooking or turned while cooking.
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