Combine all ingredients (excluding topping ingredients) in a medium sized bowl. Mix well and transfer batter into a gallon-size, ziptop bag. Cut one corner of the bag, and pipe the donut batter into the donut pan – filling each approximately 2/3 full.
2 cups gluten-free all-purpose flour, 1 cup pumpkin puree, 1/3 cup brown sugar, ¼ cup sugar, ¼ cup milk, ¼ cup unsalted butter, 1 ½ teaspoons baking powder, ¼ teaspoon baking soda, 1 teaspoon pumpkin pie spice, ½ teaspoon cinnamon, ½ teaspoon salt, 2 eggs
Bake for 14-17 minutes or until donuts are springy to the touch.
While donuts are baking, prepare the topping.
Melt butter in a bowl. In a separate bowl or plate, combine the cinnamon and sugar.
1 stick of unsalted butter, ½ cup sugar, 1 ½ tablespoons cinnamon
While the donuts are still hot, dip into the butter and coat with the cinnamon and sugar mixture.
Donuts are best served fresh, but are will last 1-2 days in an airtight container.
Notes
Additional Materials: Gallon size ziplock bag to pipe donut batter into donut pan