Royal icing is a hard white icing, made from softly beaten egg whites, icing sugar (powdered sugar), and sometimes lemon or lime juice. It is used to decorate Christmas cakes, wedding cakes, gingerbread houses, cookies and many other cakes and biscuits.
Mix 1 egg white, 150 g finely sifted icing sugar, 15 g Maizena and a little lemon juice.
Here is how to use it https://youtu.be/DCMLAGzoM0A
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