- Preheat air fryer to 350°. 
- In a small bowl, cream together the brown sugar, cinnamon, and butter until well combined. 
- Place the peaches into the air fryer basket with the cut side up. Top each peach with a dollop of the butter and sugar mixture. 
- Cook the peaches in the air fryer for 7 to 12 minutes until the sugar is caramelized. 
- Serve immediately topped with vanilla ice cream or whipped cream.