Dry Drumsticks:
Using paper towels, thoroughly dry the chicken drumsticks to achieve a crispy exterior.Coat with Oil:
Put the drumsticks into a large bowl and add 1 tbsp olive oil. Toss until all pieces are coated.Mix and Apply Seasoning:
In a separate small bowl, mix garlic powder, onion powder, smoked paprika, salt, black pepper, and cayenne pepper if using. Evenly sprinkle this seasoning blend over the drumsticks and toss again to coat uniformly.Preheat Air Fryer:
Preheat the air fryer to 400°F (205°C) and let it run empty for 3 minutes.Arrange in Basket:
Place the drumsticks in the air fryer basket in a single layer, ensuring they do not touch.Flip After 6 Minutes:
Cook at 400°F (205°C) for 12 minutes. After 6 minutes, use tongs to flip each drumstick for uniform browning.Cook Until Crisp:
Continue cooking for another 10-12 minutes until the skin is crisp and the internal temperature hits 165°F (75°C). For extra crunch, add 2-3 minutes more, checking frequently to prevent burning.Rest Before Serving:
Take out the drumsticks and allow them to rest for 5 minutes before serving so the juices can settle.