Specialist bake shops may stock starch-free 'pure' icing sugar – as such, it may be lumpy and will require extra sifting before use. Pure icing sugar is preferred for making royal icing as the ...
Take the cake out of the tin and peel off the lining paper. Put the cake on a board or plate. To make the frosting, stir the cheese and orange zest together. Spread evenly over the cake.