Preheat oven to 350 degrees F.
Spray an 8" or 9" square baking pan with nonstick spray or fit pan with parchment paper.
In a large mixing bowl, mash bananas. Stir in butter, honey, egg, vanilla, coconut and peanut butter.
In a separate medium- size mixing bowl, combine oats, flour, flaxseed, salt, baking soda. (Stir with a whisk to make sure all dry ingredients are well combined.)
Add dry ingredients to banana mixture. Stir to combine.
Stir in chips if desired.
Spread mixture into prepared pan and bake 20-30 minutes or until middle is set.
Place on rack and allow to cool then slice into small squares.
Garnish with oatmeal flakes over top if desired.