Start by washing and thoroughly patting dry the diced sweet potatoes. Cut them into uniform ½-inch dice to ensure even cooking.

In a mixing bowl, combine olive oil, chili powder, sea salt, and black pepper. Mix well and toss the diced sweet potatoes until evenly coated.

Preheat your air fryer to 400°F (200°C) for about 5 minutes, and spray the basket with avocado oil spray.

Place the seasoned sweet potatoes in a single layer in the preheated air fryer basket and set the timer for 10 minutes.

After 10 minutes, shake the basket and cook for an additional 5 to 10 minutes until golden brown and tender.

Transfer the sweet potatoes to a serving dish and serve immediately, optionally garnished with parsley or lime juice.