• Mix sugar and butter together.
• Add egg yolks and vanilla.
• Mix cocoa with the water and add.
• Mix with an electric mixer.
• Add dry ingredients little by little, adding milk as it gets too thick.
• Whip up egg whites into a foam.
• Fold in egg whites.
• Divide mix into two greased round baking pans.
• Bake in a preheated oven at 180°C (350ºF) for 25 minutes.
• Allow to cool down completely while preparing the icing.

For the icing

• Mix the butter and icing sugar together.
• Add the smooth cocoa powder mix.
• Spread a thick layer between the two (cooled down) layers of cake.
• Add another layer of icing on top of the cake and on the sides.
• You may add chocolate curls or any decorative vermicelli or serve as is.