01 -
Whisk together all-purpose flour, dark brown sugar, baking powder, pumpkin pie spice, and kosher salt in a medium bowl until evenly distributed.
02 -
In a separate bowl, stir pumpkin puree, egg, whole milk, vanilla extract, and melted butter until smooth and fully incorporated.
03 -
Fold the dry ingredients into the wet mixture gently with a spatula, mixing only until no dry streaks remain to maintain tender texture.
04 -
Scoop batter into small, even portions using a spoon or small cookie scoop, placing them onto a parchment-lined or lightly greased baking sheet.
05 -
Preheat air fryer to 360°F. Arrange donut holes in a single layer without overcrowding and cook for 8 to 10 minutes until golden brown and puffed.
06 -
Brush each hot donut hole with melted butter, then evenly roll in a mixture of granulated sugar and ground cinnamon for a sweet, crisp exterior.