1. Preheat oven to 350°F. 2. Spray an 8x8 pan with nonstick spray. 3. Mash bananas in a bowl, make sure you have one cup. 4. Add coconut sugar, coconut oil (or butter), milk, egg and vanilla extract. 5. In a separate bowl, combine flour, baking soda, salt, cocoa powder and half the chocolate chips. 6. Mix dry ingredients with wet and spread batter into the baking pan, sprinkle remaining chocolate chips on top. 7. Bake for 20 minutes or until a toothpick inserted into the center comes out clean.