01 -
Whisk together all-purpose flour, brown sugar, baking powder, pumpkin pie spice, and kosher salt in a medium bowl until evenly incorporated.
02 -
In a separate bowl, thoroughly combine pumpkin purée, egg, whole milk, vanilla extract, and melted butter until smooth.
03 -
Gently fold dry ingredients into wet mixture until just combined, taking care not to overmix to preserve tenderness.
04 -
Spoon or use a small scoop to portion the batter into evenly sized rounds onto a parchment-lined or lightly greased tray.
05 -
Preheat the air fryer to 360°F. Arrange donut holes in a single layer, spaced apart, and cook for 8 to 10 minutes until golden and puffed. Work in batches to avoid overcrowding.
06 -
Brush warm donut holes with melted butter, then roll evenly in a mixture of granulated sugar and ground cinnamon to coat completely.