
Scrub sweet potatoes clean and poke several holes with a fork. Rub skins lightly with oil.
Place sweet potatoes in the air fryer basket. Air fry at 380°F for 20 minutes.
Flip sweet potatoes and air fry for another 12-15 minutes until a knife slides in with no resistance and the skin is blistered.
Split open and serve with butter, honey, sea salt, or enjoy plain as Koreans traditionally do.
Tip: Korean sweet potatoes (goguma) have a drier, chestnut-like flesh compared to American varieties — they caramelize intensely in the air fryer. Japanese sweet potatoes are the closest substitute.
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