Place the first eight ingredients (bananas through salt) in a large blender and blend until smooth. You may need to stop and scrape down the sides of the blender.
When the mixture is blended smooth stir in the chia seeds and chocolate chips.
Heat waffle iron according to manufactures directions to medium heat. If your waffle iron is nonstick spray the iron well. Carefully spoon the mixture into the waffle iron and cook as directed. For my machine, the waffles cooked in 3-4 minutes.