Chocolate fudge frosting

• 3 oz (75 g) icing sugar
• 1 oz (25

Sift the icing sugar and cocoa powder into a mixing bowl and set aside. Put the butter, water, castor sugar and vanilla essence into a saucepan and stir over low heat until sugar has dissolved, then bring just to the boiling point and draw off the heat. Pour the hot syrup into the sifted ingredients and mix until smooth.

Smooth coating: Stir gently until frosting is thick enough