My body and mind can't sustain caffeine after 3:00 pm or alcohol beyond my nightly (large) glass of wine. So on hot summer nights, I've fallen into the habit of making a grande Italian sode, i.e. flavored syrup and seltzer, with ice. It's a big thirst-quencher and rehydrates me, plus since it's sweet, it feels like a treat and so I don't end up eating cookies. I've also tried the sugar-free syrups, which I didn't think I would like, but they are okay.
What I would really love is recipes for strong herbal iced tea that I could add some bubbly water to, that would be really flavorful and satisfying. I don't like the "zinger" (i.e. rosehip) flavor, but I haven't yet tried making really strong licorice tea or mint tea and using those. Does anyone have suggestions about how strong it would need to be, to stand up to bubbles and ice? Any good combination of flavors? I do have lemon verbena in my garden so might make mint and lemon verbena as a starting place.