Add all ingredients for the coating into a bowl & whisk to combine.
Pout into paper bag- set aside
Preheat donut maker or if using traditional donut tins- preheat oven to 350.
Next add flour, sugar & baking powder to large bowl. Mix & create a well in the center.
Pour in milk- mix until almost all combined.
Add eggs- stir in well.
Add butter- mix until well combined.
Fold in cinnamon.
Spray donut maker wells or donut pans with cooking spray
Add a portion of batter to pastry bag & pipe in to donut maker wells or spoon into donut pans.
Bake 6 minutes in donut maker or 10-12 in oven.
Remove & immediately put in prepared paper sack. Crimp down tightly to hold in heat & shake to coat with the sugar mix. I then let them stay in the closed bag while I refilled my donut maker for the next batch.
Then remove & allow to cool on wire rack.
Store in airtight container. I keep mine refrigerated & then warm for about 20-30 seconds in the microwave before serving.