Preheat the oven to 180°C (356°F).
Melt the unsweetened dark chocolate using a double boiler.
Beat the eggs until foamy.
Sift in cocoa powder, almond flour, and baking powder.
Add the melted chocolate, olive oil, and vanilla extract and mix well.
Pour the batter into a mold.
Bake in the preheated oven for 25 minutes.
Remove from the mold after cooling.