01 -
In a medium bowl, whisk together flour, brown sugar, baking powder, pumpkin pie spice, and kosher salt until thoroughly mixed.
02 -
In a separate bowl, stir pumpkin puree, egg, whole milk, vanilla extract, and melted butter until smooth and uniform.
03 -
Gently fold dry ingredients into wet ingredients using a spatula, mixing just until no dry flour remains to ensure tender texture.
04 -
Using a spoon or small cookie scoop, portion batter into evenly sized small rounds and place on a parchment-lined or lightly greased baking sheet for transfer.
05 -
Preheat air fryer to 360°F (182°C) for several minutes to achieve optimal cooking temperature.
06 -
Arrange donut holes in a single layer with space between to allow air circulation; cook in batches for 8 to 10 minutes or until golden brown and puffed, then remove while hot.
07 -
Brush each hot donut hole with melted butter on all sides, then roll gently in a cinnamon and granulated sugar mixture to adhere a sweet, spiced coating.