01 -
Cut the oranges into thin, even rounds using a sharp knife.
02 -
Combine the sugar and water in a saucepan. Heat over medium heat, stirring occasionally, until the sugar fully dissolves.
03 -
Submerge the orange slices in the sugar syrup and simmer gently for 10 minutes. Turn slices carefully to coat both sides.
04 -
Remove the orange slices from the saucepan and arrange them in a single layer on a wire rack. Allow them to cool for several minutes.
05 -
Place the orange slices in the air fryer basket in a single layer. Cook at 300°F for 15 minutes, flipping each slice halfway through the cooking time.
06 -
Transfer the air-fried orange slices to a rack to cool completely before serving.