Not sure what those leaves will taste like but mint and lemon verbena will definitely make it a whole lot more drinkable. Generally, if you want to preserve flavour, hang them up out of the sun.

Today, I finally pruned the Yesterday, Today, Tomorrow properly back into a small bush and tomorrow, I'm going to prune the roses. After that, I'm digging up the vegetable patch to prepare it for spring. I predict lots of lower back pain coming up