There are several Buttercream Frostings, and one that has increased in popularity recently is not very well-known is Ermine Buttercream. I was recently reading several posts about the different types of buttercream and Ermine wasn’t even on any of the lists! Ermine Buttercream Frosting is sometimes called a flour-based buttercream and sometimes called Boiled Flour Frosting or Pudding Based Frosting.