Preheat oven to 350°F. Line a cookie sheet with parchment paper. Set aside.
In a large bowl combine coconut flour, tapioca flour, cinnamon, baking soda and salt. Stir to combine.
In a seperate bowl whisk together bananas, eggs and oil/butter until smooth.
Pour wet ingredients into dry ingredients. Stir until smooth. Fold in chocolate chips.
Using wet hands, scoop out rounded tablespoon portions of dough. Place on cookie sheet and flatten slightly with hands.
Bake for 11-13 minutes, or until edges and bottoms are turning golden.
Let cool completely before serving.