01 - Set air fryer to 375°F and preheat for 3 minutes.
02 - Pat pineapple rings dry with paper towels to remove excess moisture.
03 - Combine brown sugar, cinnamon, lime zest, and chili powder in a small bowl.
04 - Dip each pineapple ring into the sugar mixture, pressing gently to coat both sides evenly.
05 - Place coated pineapple rings in a single layer in the air fryer basket. Cook in batches if needed to avoid overcrowding.
06 - Cook for 10-12 minutes, flipping halfway through, until pineapple rings are caramelized and golden brown.
07 - Transfer to serving plates, drizzle with honey or maple syrup, and sprinkle with fresh mint if desired.