Grind the bananas and applesauce until smooth with a fork or blender.
In another bowl, combine both flours, starch, cocoa powder, baking soda, and sea salt.
In a water bath, melt the chocolate and coconut milk until smooth.
Pour the liquid sweetener and melted chocolate into a bowl of fruit puree. Stir well.
Then pour in hot water, stir quickly and pour the resulting mixture into a bowl of dry ingredients. Stir well.
Pour the resulting dough into a parchment-lined baking dish. Additionally, brownies can be garnished with chocolate drops and chopped nuts. Bake the pie at 175 degrees for about half an hour.