Ingredients
30 elderflower heads
6 pints (approx. 3 litres) of boiling water
2lb (900g) caster sugar
1 packet of citric acid (available from chemists)
2 unwaxed oranges
3 unwaxed lemons

Method
1. Gently rinse over the elderflowers to remove any dirt or little creatures.
2. Pour the boiling water over the sugar in a very large mixing bowl. Stir well and leave to cool.
3. Add the citric acid, the oranges and lemons sliced, and then the flowers.
4. Leave in a cool place for 24 hours, stirring occasionally.
5. Strain through some muslin and bottle.