Ermine Frosting

Ermine frosting—also called flour frosting—feels like a secret handshake among old-fashioned bakers: silkier and less cloying than American buttercream, with a velvet mouthfeel that lets cake flavors breathe. The technique is simple but deliberate: cooking a flour-and-milk paste until it turns pudding-thick removes the raw starchiness and creates a stable, cool base that, when whipped into butter and powdered sugar, yields a light, non-greasy frosting that holds edges without tasting overwhelmingly sweet. This version keeps ratios classic for a 9-inch two-layer cake and leans on whole milk and room-temperature butter for the roundest flavor and texture.

Where this frosting shines is in restrained cakes—red velvet, spice, carrot, or a fine vanilla layer—anywhere you want creaminess without cloying sweetness. It’s forgiving for warmer rooms because the chilled paste tempers the butter and helps the finished frosting remain stable, yet it’s also quick enough for a weeknight bake once you get comfortable with the cooling step. If you love the idea of a bakery-style finish that isn’t just sugar and fat, ermine is a low-fuss way to upgrade everyday cakes into something memorable.