Sift the almond flour, cocoa powder, and baking powder together.
Whisk the eggs with erythritol.
Add the sifted dry ingredients to the whipped egg mixture and mix well.
Add the melted unsalted butter and unsweetened almond milk to complete the batter.
Pour the batter into madeleine molds.
Bake in a 180°C oven for 12 minutes.
Let cool to finish.