– Grind the butter with sugar until smooth. Add the eggs, flour little by little and beat.

– Halve the paste. Add the cacao powder to the first part and vanilla sugar — to the second one. Mix each part.

– Alternating the pastry of different colors, put it in a buttered baking pan and bake for 40 minutes.

– Cool the pie in the baking pan.

– Decorate with the chocolate when serving.