Hey @step2347, I really don’t mind the taste of both the original (vanilla) or the unsweetened, I actually quite like them, but I’ve been experimenting the last two days 
I’ve tried:
- Double espresso shot in one (great - if you like coffee that is)
- Cinnamon in another (great too)
- Cacao powder (delicious)
- Scoop of chocolate mint protein powder post gym (great)
- I’ve just tried making a type of Chai Iced Tea with a bit of ginger puree, cardamom pods, cacao and cinnamon which was good. I think the last one could be amazing if I up the doses a bit as some of the flavours get a little lost. I also need to try it again with the unsweetened version to see if that works as I did it with the Vanilla flavoured one.
I’ve not tried the chilli sauce 
that I’ve seen recommended on the thread below (there are loads of other ideas on there too): Any suggestions on flavourings?
Hope that helps
Rich