Preheat the oven to 350° F.
Add the oats, whole wheat flour, coconut sugar, baking powder, and baking soda to a mixing bowl.
Mix all dry ingredients to combine thoroughly.
Make a well in the center of the bowl, then add the nut milk, maple syrup, almond butter, and applesauce.
Mix the liquid ingredients together, then combine the wet ingredients with the dry.
Gently fold in the blueberries.
Spoon the batter into a greased donut pan.
Bake the donuts for about 25 minutes, or until a toothpick inserted comes out clean.
Let the donuts cool completely, then remove them from the donut pan.
In a small dish, combine the powdered sugar and nut milk to form a glaze.
Add an equal amount of glaze on top of each donut.
Place the donuts in the refrigerator to allow the glaze to harden.
Dig in and enjoy your donuts!