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Ermine Frosting piped onto a cupcake.

Ermine Frosting

Prep Time 10 minutes
Cook Time 5 minutes
cool 30 minutes
Total Time 45 minutes
Ermine Frosting is light, silky, and less sweet than buttercream. A classic boiled milk frosting perfect for cakes and cupcakes.

Ingredients

  • 1 cup (245 g) whole milk
  • 5 tablespoons all-purpose flour
  • 1 cup (2 sticks / 227 g) unsalted butter, room temperature
  • 1 cup (200 g) granulated sugar
  • 1 teaspoon vanilla extract

Instructions

  • In a medium saucepan over medium heat, whisk together the milk and flour.
  • Cook, whisking constantly, for 3-5 minutes, until the mixture thickens to a pudding-like consistency and coats the back of a spoon.
  • Remove from heat and let cool completely to room temperature.
  • In the bowl of a stand mixer fitted with the paddle attachment, cream together the butter and sugar on medium speed until light and fluffy, about 2-3 minutes. Scrape down the sides as needed.
  • Add the cooled milk mixture to the butter mixture. Beat on medium-high speed for 2-3 minutes, until combined and fluffy.
  • Switch to the whisk attachment. Add vanilla and beat on high for 7-8 minutes, until smooth, light, and airy.