01 -
Peel and slice the bananas into thin, even ⅛-inch rounds.
02 -
Mix the sugar and cinnamon in a small bowl. Toss the banana slices with melted coconut oil or butter, then sprinkle with the cinnamon-sugar mixture to coat evenly.
03 -
Preheat the air fryer to 350°F (175°C) for 3–5 minutes.
04 -
Arrange the banana slices in a single layer in the air fryer basket. Air fry for 8–10 minutes, flipping halfway through, until golden and crisp.
05 -
Let the chips cool completely on a wire rack, where they will crisp further. Enjoy immediately or store for later.