Preheat the oven to 180°C (356°F).
Mash the banana well.
Put eggs, banana, unsweetened cocoa powder, and almond flour into a bowl and mix.
Add honey and baking powder, then mix evenly.
Pour the batter into a pan coated with oil.
Bake at 180°C (356°F) for 20 minutes.
Let it cool, then cut into bite-sized pieces.