Pre-heat air fryer to 350 degrees.
Cut a circle out of the centers of the biscuits.
Lightly spray the biscuits with cooking spray.
Place in the air fryer for 4-6 minutes or until biscuits have browned.
Remove from air fryer and transfer to a cooling rack.
Coat the donuts with melted butter.
Sprinkle with Cinnamon Toast Crunch Cinnadust.
Enjoy.