Preheat your air fryer to 375 degrees. Separate the biscuit dough into eight biscuits and lay them out on a cutting board. Use a 1 inch cookie cutter to cut out the center of each biscuit.

Evenly space the donuts in your air fryer basket or tray and brush with melted butter.

Meanwhile measure ½ cup sugar in a bowl big enough to dip the donuts. Add either 1 Tablespoon of cinnamon if making cinnamon donuts or 1 Tablespoon pumpkin spice if making pumpkin spice donuts. Or measure 1 cup powdered sugar in a bowl for powdered sugar doughnuts.

Remove the donuts from the air fryer and allow them to cool slightly. Brush them with the remaining melted butter and immediately dip each donut in the sugar cinnamon mixture, coating both sides.

Serve immediately.