01 - Preheat air fryer to 350°F for 3 minutes.
02 - Peel bananas and slice into 1/8-inch thick coins.
03 - Gently toss banana slices with melted coconut oil in a medium bowl until evenly coated.
04 - In a small bowl, combine granulated sugar, ground cinnamon, and a pinch of salt.
05 - Sprinkle half of the cinnamon sugar mixture over banana slices and toss to coat evenly.
06 - Arrange coated banana slices in a single, non-overlapping layer in the air fryer basket. Work in batches if necessary.
07 - Air fry for 12 to 15 minutes, turning slices halfway through, until golden and crisp. Monitor closely as time may vary.
08 - Immediately toss warm banana chips with the remaining cinnamon sugar mixture.
09 - Allow banana chips to cool completely for maximum crispiness before serving.