Elderflower Champagne
Mother's Black Book
4 heads elderflower
Stand 24 hours. Strain, bottle in gas-proof bottles. Leave up to 1 month.
650g sugar
2 tablespoons white wine vinegar
5 litres water
2 lemons
lemons
juice
chop rind coarsely
Makes 5 litres
For the real Cambridge experience, drink while punting to Grantchester.