01 -
Heat 2 inches of vegetable oil in a Dutch oven or deep fryer to 350°F. Line a large baking sheet with paper towels and place a wire rack over it.
02 -
In a large mixing bowl, whisk together the buttermilk, pumpkin puree, vanilla extract, and egg until completely smooth. Whisk in the melted butter until fully incorporated.
03 -
In a separate bowl, whisk together the flour, brown sugar, baking soda, baking powder, pumpkin pie spice, and kosher salt.
04 -
Gradually add dry mixture to wet mixture and whisk until just combined. Do not overmix.
05 -
Dip a small cookie scoop in the hot oil, then scoop dough and carefully drop batter into oil, 5-6 donut holes per batch. Fry 3-4 minutes, turning occasionally, until golden brown.
06 -
Transfer fried donut holes to prepared wire rack to drain and cool slightly.
07 -
While donut holes fry, whisk together powdered sugar, pumpkin pie spice, and 2 tablespoons warm water until smooth, adding an additional tablespoon water if needed for a thin consistency.
08 -
Once donuts have cooled for 1 minute, dip each donut hole in glaze to coat completely. Return to rack to set.