Results: I had never heard of making a buttercream-style (uncooked) frosting with granulated ... I followed the recipe for ermine frosting (aka cooked frosting) from King Arthur Baking.

or roux frosting, but ermine frosting is how it is likely to show up in a recipe. Ermine frosting is similar to buttercream with a distinctly silkier texture (hence the reference in the name ...

For the remaining two recipes — fudge and ermine frosting — I followed the specific recipes ... Results: I had never heard of making a buttercream-style (uncooked) frosting with granulated sugar, and ...