Preheat the oven to 180°C (356°F).
Mix almond flour, cocoa powder, and baking powder in a bowl.
Mash the banana and mix it with eggs, honey, and vanilla extract.
Combine the dry and wet ingredients thoroughly.
Line a pan with parchment paper and pour in the batter.
Bake in the oven at 180°C for 20–25 minutes.
Let it cool, then cut into bite-sized pieces.