Baking

Makes enough to cover a 22 cm (9 in) round cake.

185 g (6 oz) icing sugar

1 teaspoon unsalted butter, softened

4-8 teaspoons milk or water

1. Sift the icing sugar into a bowl and stir in the butter and enough milk or water to make a thick paste.

2. Color the icing at this stage if necessary.