Mix together the shortbread ingredients. I just use an electric whisk! Bring together with your hands and mould into a ball. Wrap in cling film and place in the fridge for 15-30mins.
Pre-heat your oven to 180oC.
Remove the shortbread from the fridge, bash the ball of mix until flat and then roll it out until a few mm thick. Cut small circles about 4.5-5cm wide.
Place the circles onto a baking tray (preferably on baking paper) and into the oven for around 10mins, or until browning around the edges.
Remove from the oven and leave to cool before attempting to pick them up (otherwise they’ll crumble instantly!)
Mix together the butter, icing sugar and cocoa powder until smooth. Spread roughly over the top of the cake/brownie.
Place two pretzels for antlers, the shortbread & sweet for a nose and edible eyes!