I'm making butterflies... How do you keep the rice paper from melting into the buttercream?
I have used rice paper, but not on bc. I used it on fondant. I made this power ranger cake ( its in my photos ), I traced the picture to the rice paper and used a thin layer of bc to stick it on the fondant. It didn't melt though.
If you let the bc crust and then stick the butterflies, I think it should be ok. This is just a suggetion. See what the other members opinions are.