We’ve only ever had a Cocoa flavoured bar, but those sounds delicious too!
I’m afraid I don’t know the ins and outs of our policy on this sort of thing. The only thing I can recommend is to email team@huel.com and see what our lovely CS team can do for. I wouldn’t want to promise anything though.
I was just clarifying the preparation method, not recommending ways to change the taste. If you aren’t getting along with the Huel Powder taste then head to this thread as there are loads of great ideas there.
Great that you’ve got some advice from a professional, if they’re happy then I’m happy 
Let us know if there is anything else!