In a large mixing bowl, mix the flour, brown sugar, baking powder, baking soda, salt, and ground cinnamon.
In a small saucepan, bring your apple cider to a slow simmer, (add the cinnamon sticks) and simmer until lit reduces by about half. (10 to 15 minutes) Let cool.
In a small mixing bowl, mix the cooled apple cider, melted butter, and eggs, mix well.
Pour the wet mixture into the dry mixture.
Mix until well combined.
Spray your donut pan.
Add the batter to the donut pan, filling about 2/3 way full.
Set into the air fryer for 10-12 minutes at 320 degrees F, air fryer setting.
Let cool slightly.
Dip the donut into the melted butter, and then roll them around in the cinnamon-sugar mixture
Plate, serve, and enjoy!