wash elderflowers in sink of cold water then drain in a colander
put water and sugar in a pan gently heat until sugar dissolved.
remove peel from lemons with vegetable peeler then slice fruit
bring water to boil then switch off heat
add, lemons, peel, elderflowers & citric acid
leave to infuse for 24 hours
pass liquid through a sieve, decant in plastic bottles
store in fridge and freeze excess bottles
Due to low sugar content this will not be syrupy and needs to be refridgerated, add to sparkling water, cold still water, sparkling wine. If you need your drink to be sweeter add a sprinkle of stevia, that is best added to your actual drink rather than the cordial as everyone can sweeten to taste.