Preheat your waffle iron.
In a medium bowl, whisk together the flour, baking powder, cinnamon, baking soda, sugar and salt. Set aside.
In another medium bowl mix together your wet ingredients. Egg yolks, vanilla, buttermilk butter, and banana.
Mix your wet ingredients with your dry ingredients. Mix until blended.
In a separate small bowl, whip the egg whites with an electric mixer until stiff.
Fold egg whites into batter.
Add fresh blueberries and gently fold into batter.
Spray waffle iron with non-stick cooking spray.
Spoon batter onto the hot waffle iron. Close and cook until golden brown and steam has subsided.
Garnish with fresh blueberries, butter, and syrup.