You will need
Juice and grated zest of 4 juicy lemons
5 cups (1 kg) white sugar
2 T (30 ml) citric acid
1 T (15 ml) tartaric acid
5 cups (1,250 litres) boiling water
1 cup (250 ml) lemon syrup concentrate
1 tray of ice cubes
1 lemon cut into half slices
4 cups (1 litre) of soda or sparkling water
fresh mint (optional)
Method
Lemon Concentrate
First grate off the outer skin of the lemons on the fine side of a grater or use a microplane. Place the lemon juice and zest in a large saucepan. Add the sugar, citric acid and tartaric acid. Pour the boiling water over and stir to dissolve the sugar. Just bring to the boil and remove from the heat immediately. Cool, then pour into clean bottles and refrigerate until needed. Makes around 2 litres and keeps for a month refrigerated.
Lemonade – Ready to Drink
Mix everything in a glass jug. Stir before pouring.
Variation:
Add a tot of gin or vodka to each glass before topping up with lemonade mixture.