Sherbet - cooking recipe

Ingredients

3 tablespoons citric acid
1 tablespoon baking soda
7 tablespoons icing sugar or 7 tablespoons confectioners' sugar

Preparation

Remember that everything you use for this recipe must be absolutely dry or the sherbet will not work.
Sift the icing sugar into a bowl.
Add citric acid and bicarbonate of soda and mix well.
Grind the contents to a fine powder with the back of a spoon.
Store in an airtight container.
Sprinkle on ice-cream or add a couple of teaspoons to a glass of water for a refreshing drink.