|Elderberry flower heads|
Pick two or three elderflower heads and remove flowers from stems.
Put six cups of unchlorinated water into a two litre jar.
Add a heaped tablespoon of honey and stir to dissolve.
Stir in the elderflowers.
To speed up the fermenting process you can add a pinch of yeast or some whey from the top of plain yoghurt.
Put the jar (with no lid) on a kitchen bench so you can give it a quick stir whenever you walk past.
Place a cloth over the top to keep bugs out.
Within two to six days, depending on temperature, the mixture will start to bubble.
Once it has a bit of fizz strain the flowers off and put the soda in