Use an electric mixer/stand mixer to beat softened butter,sugar until pale and creamy.
Stir in all the flours and cocoa, mix until you get a firm dough.
Cover the dough in a transparent film or box and place in the refrigerator for 30 minutes.
Using a rolling pin , roll some of the dough with 1 cm thickness.
Preheat the oven to 160 deg C for 10 mins.
Line baking tray with baking paper.
Using cookie cutter, give it a shape according to your choice.Place it on the lined trays.
Bake for 30 mins. Set aside to cool completely.
Store in a cool dry place.