Preheat the air fryer to 350° F on the "bake" setting. If your air fryer doesn't have a bake setting you can use the "air fry" mode.
Slice the apples down the middle from the stem to the end and remove the core and the seeds. After removing the core, scoop out some of the apple around the core to form a cavity in the middle of the apple. Save the carved apple, dice, and set aside.
2 gala apples
Cover the apple halves with butter using a pastry brush and sprinkle them with brown sugar, ground cinnamon, ground ginger, and ground nutmeg.