In a large mixer add in the dry ingredients then mix in the wet ingredients until the batter is well combined.
Spray a donut Pan with nonstick baking spray and then using either a spoon or a cake decorator bag, pipe in the donut batter. If using a bag, fill up the bag then cut the end off and pipe into the pan. These typically need to be about 3/4 full to allow a little room for the donut to rise.
Bake these in the oven 10 minutes or until nice and brown.
Cool donuts on a wire rack for 5-10 minutes.
While the donuts cool, in a medium-sized bowl, whisk together the glaze ingredients.
Carefully dip the donuts into the glaze top side down and onto the wire rack so that the excess can drip off.
Top with cinnamon and serve.
Notes
These can be made gluten-free or gluten-filled depending on the choice of flour.