Colour it green

calvados butter

3 oz soft dark brown sugar

3oz icing sugar

6 oz unsalted butter, at room temperature

4 (or more ) tablespoons of calvados

Blend the sugard together making sure any hard lumps are bashed out. Add the butter and blend. Then gradually add in the calvados, until blended together. Chill. Keeps for weeks, ideal on hot mincepies, or with Christmas pudding.