150g/5oz/⅔ cup unsalted butter, at room temp
150g/5oz/⅔ cup icing (confectioner’s) sugar, sifted
3 tbsp brandy
1 Put the butter in a bowl and whisk to soften. Gradually whisk in the sugar, pouring in the brandy just before the final addition. Continue whisking until the mixture is pale and fluffy, then spoon into a serving dish.
2 Cover and chill in the refrigerator until needed. Remove 30 minutes before serving.