250 g fresh and ripe Elderflower
1 l Water
1 kg Sugar
1 unwaxed lemon
1 tbls citric acid or juice
Mix sugar and water, bring it to the boil. Let it cool down a little, then add the finely sliced lemons, additional lemon juice or citric acid to taste. Now add the unwashed flowers, stir, then cover and let rest in a cool place for 2..3 days.
Now filter the liquid through a muslin cloth and discard the solids.
Bring the syrup to the boil, then bottle into sterilised bottles.