Preheat oven to 350 degrees.
Spray muffin tin with baking spray or use paper liners.
In a large bowl mix together dry ingredients; oats, whole wheat flour, baking soda, baking powder and salt. After mixing dry ingredients well add a spoonful of the flour mixture to the blueberries. Coat the blueberries with flour and set aside.
In another bowl mix together all wet ingredients, bananas, honey, Greek yogurt, egg, and coconut oil vanilla extract.
Add the dry ingredients to the wet ingredients and use a spatula to stir together all ingredients making sure to scrap sides and bottom of bowl. Stir just until no dry ingredients remain being careful not to over mix.
Add the blueberries to the batter and use a spatula to carefully incorporate them into the batter without smashing them.
Evenly divide batter into muffin tin. Place in middle rack of preheat oven.
Bake for 20 minutes or until toothpick comes out clean.