Start by scrubbing the potatoes under running water to remove any dirt. Pat them completely dry with a towel—dry skin helps them crisp up better in the air fryer.

Rub each potato all over with olive oil. Then sprinkle them generously with kosher salt. You can use your hands to make sure every inch of the skin is coated for maximum crispiness and flavor.

Place the potatoes in the air fryer basket, making sure there’s space between them for air to circulate. Set the air fryer to 400°F (200°C) and cook for 35–40 minutes, flipping halfway through. They’re done when a fork easily pierces the center and the skin is nice and crispy.

Remove the potatoes carefully (they’ll be hot!), slice them open, fluff the insides with a fork, and top them with your favorite fixings. Serve immediately while warm and crispy.