If I want it less sweet, I just cut the sugar or swap in honey.
Loose-leaf tea works too—just make sure to strain it well.
Sometimes I make extra syrup and stash it in the fridge for up to a week.
If I’m in the mood for bubbles, I’ll use chilled club soda instead of water at the end.
You can double this for a group or halve it if you’re just making one glass.