Melt dark chocolate using a double boiler.
Mix almond flour, coconut flour, and a pinch of salt in a bowl.
Add erythritol and almond milk to the melted chocolate and mix well.
Combine the flour mixture with the chocolate mixture and mix thoroughly.
Shape the dough into balls and place them on a baking tray.
Bake in a preheated oven at 180°C for 10 minutes.