Using a shot glass, punch out 4 doughnut holes from one Pillsbury Grand.
Lay out all donut holes on a cutting board or cookie sheet and spray with cooking spray. Flip and repeat.
In a small bowl, mix 1 part cinnamon and 2 parts brown sugar together.
Toss each donut hole into the cinnamon sugar mix, covering completely.
Spray air fryer basket with cooking spray. Place 5 donut holes at a time in basket and cook for 5 minutes at 400 degrees F. (Cooking time may vary depending on make and model. Check your first batch to find ideal cooking time for your machine.)