Pre-heat the oven to 175C fan-forced and line two baking trays with paper

In the bowl of an electric mixer, beat together the butter and sugar.

Add the egg and mix it in.

Add the coconut and sifted cocoa then the flour and mix until combined.

Roll the dough into balls using about a level tablespoon of dough at a time.

Place the balls on the baking trays leaving a few centimeters between each one.

Press down the tops with a fork.

Bake for 10-15 minutes.

Leave to cool for 5 minutes on the trays and then transfer to a wire rack to cool completely.