In a medium sized bowl, mix all dry ingredients together: flour, baking powder, cocoa powder, salt, vanilla powder.
In another bowl, mash the banana thoroughly with fork. Add plant-based milk, chia seeds, coconut oil and agave syrup and mix well. Let mixture stand for 3 minutes.
Combine the wet and dry ingredients in to one bowl and mix well. Place waffle mixture in the fridge for 5 minutes to thicken.
Ladle into pre-heated waffle iron according to iron instructions or until crispy.
Dress with favorite toppings and serve!