Mix the first fix ingredients together in a large mixing bowl.Whisk together dry ingredients and add to the first bowl.Mix until ingredients are well incorporated.Gently fold in blueberries.Pour batter into pastry bag, or zip-top bag (cut corner open to let batter out.)Pour batter into doughnut baker, close lid and bake for five minutes.OR:Grease ]doughnut pan.Squeeze batter to fill each mold to about ¾ full.Bake 12-15 minutes.Remove from pan.Mix Glaze ingredients together in a small bowl.Dip the top of each doughnut into glaze.Turn doughnuts right-side-up and set aside to dry a bit.Enjoy!