Grind oats in blender for coffee grinder.
Mix all dry ingredients.
Mash banana (preferably using blender to avoid clumps).
Stir bananas, water, apple cider vinegar, aquafaba, vanilla in with dry ingredients.
Pour batter into waffle maker according to brand instructions. Serve with toppings of your choice!
*Aquafaba is the liquid attained from cooking chickpeas. Click here to read more on how to make your own aquafaba.