Line 2 muffin tins with paper liners, or spray with baking spray. Set aside.
In a medium bowl, mash bananas, buttermilk, and vanilla together. Set aside.
In a large bowl, whisk together flour, granulated sugar, brown sugar, baking powder, baking soda, and salt.
In a small bowl, whisk together eggs, egg yolk, and coconut oil.
Pour over dry ingredients.
Mix together.
Add bananas, coconut, and chocolate chips.
Stir only to blend.
Use a cookie scoop or Tablespoon to fill muffin cups ⅔ full.
Sprinkle tops with mini chocolate chips and coconut flakes.
Bake for 25 minutes, or until done.
Notes
*This recipe was written using an average of the dip and sweep method for measuring flour and the spoon and level method. If you are using a scale, you will need to add 3/4 oz or 22 gto the measurement for each cup of flour.
Check the expiration date on your baking soda and baking powder.
When mashing the bananas, be sure to not leave any large chunks of banana!
To ensure even-sized muffins, use a large cookie scoop to portion out the batter.
Make sure to use unsweetened shredded coconut for these muffins!