01 - Preheat the air fryer to 375°F (190°C) for 3 minutes.
02 - In a large mixing bowl, toss the peeled pearl onions with olive oil, salt, pepper, garlic powder, and smoked paprika until evenly coated.
03 - Arrange the seasoned onions in a single even layer in the air fryer basket, avoiding overcrowding.
04 - Cook for 10 to 12 minutes, shaking the basket halfway through, until the onions are golden brown and fork-tender.
05 - Transfer to a serving dish and enjoy hot as a snack, appetizer, or side alongside your favorite main course.