I have come to the conclusion of late that my favourite medium to work with is royal icing. Yes, it is annoying trying to get the consistency right but once you do it is such a rewarding experience!
I made this chocolate tart recently and decided I would jazz it up with a royal icing butterfly. I chopped and changed the recipe so much that I can’t even remember what I did but there are plenty of chocolate tart recipes out on the internet to choose from.
For the royal icing butterfly, I piped the right and left wing separately on waxed paper and left it to completely dry. Template for the butterfly wings available here. Once they were dry I carefully peeled them off and attached them together with royal icing and left them to rest propped up between books at the desired angle.
I would have taken progress shots but I forgot to do so. Maybe next time. I have since made a video tutorial on how to make these butterflies: