50g fresh root ginger, roughly chopped
300g caster sugar
2 lemons, sliced, plus extra to serve
Place the ginger, sugar and lemon slices in a pan with 150-200ml water.
Bring to the boil, then cook until the sugar dissolves.
Take off the heat, leave to cool, then press through a sieve.
To serve, pour into a pitcher and top up with sparkling water and extra lemon slices.
Recipe adapted from: Good Food