Royal Icing - cooking recipe

Ingredients

1 lb. icing sugar
1 Tbsp. lemon juice
whites of eggs
drop of blue coloring (if very white icing is required)

Preparation

Rub sugar through sieve; add lemon juice and coloring and mix well.
Whip the whites of eggs and add gradually, working it well all the time with a wooden spoon, then beat briskly until it is a smooth paste.
This can be used for piping and all kinds of fancy decorations.