A few years ago I made some rainbow cupcakes like this for my son's birthday party and they have become one of the most consistently pinned recipes on our blog. I've received a lot of questions about the who's and the what's about these babies, so I decided to do a separate post with all the specifics. I added the gold coin oreo's because this is the PERFECT treat for your St.Patrick's Day Party. You'll Need:: Cupcakes - whatever is your favorite. Bake and let cool. I found . . .