Bitter lemon drink

• 2 lemons
• 1 ½ lb (700 g) castor sugar

Squeeze the juice from the lemons and set aside. Put the lemon peel with pith into a large mixing bowl and add the sugar and citric acid. Boil the water and pour it over the lemon peel and sugar. Stir to dissolve the sugar and leave until completely cool.

As the peel softens press it occasionally with a wooden spoon to extract all the flavour. Squeeze and discard the lemon peel. Add the