Bring 4 cups sugar & 4 cups water to a boil, allow to cool
Add 30 clusters of fresh elderflowers
Add 2 lemons and 2 oranges, sliced
Add 1.75 oz citric acid powder (optional)
Let sit for 24 hours, then strain and keep refrigerated.
Don’t feel like making your own? Check out St-Germain.
Oh, and here’s a video!