Preheat oven 350 degrees. Use parchment paper to line aLoaf size pan and spray sides with cooking spray.
Combine all dry ingredients together and mix. Add all the wet ingredients (except blueberries) and mix with a mixer on medium speed for approx. 2-3 minutes. Gently stir in the blueberries. Pour into prepared pan.
Bake approx. 30-40 minutes until center is done. Test with a toothpick to make sure its done. Let cool on a wire rack for 10-15 min and top with glaze. (I blend this with my ninja blender to get all the lumps out.