· Sieve icing sugar twice to make quite sure that it is free from lump
· Beat the egg whites slightly. Add lime juice and sugar gradually beating all the time.
· Beat until the icing is of stiff consistency, it should stand up in peaks.
· Cover it with a cloth and use it as and when required
· Use a palate knife dipped in warm water to smoothen it. Let the base dry well before decorating the cake.