Combine flour, mashed sweet potato, and Greek yogurt together to form a dough.
With floured hands, separate the dough into 12-14 pieces and roll them into balls.
Lightly grease the air fryer tray and place the balls inside. Air fry at 350 F for 11-13 minutes.
Brush the donut holes with some oil or butter.
Combine sugar and cinnamon in a bowl and toss the donut holes in this mixture and enjoy!
