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Ermine Frosting

Ingredients

  • ½ cup all-purpose flour
  • 1 ½ cups whole milk
  • 1/8 teaspoon salt
  • 1 ½ teaspoons pure vanilla extract
  • 3 sticks (1 ½ cups) unsalted butter, softened
  • 1 ½ cups granulated sugar

Instructions

  • In a medium saucepan, whisk together flour, milk, and salt until smooth.
  • Turn heat to medium-high and, whisking constantly, cook until mixture becomes thick like a pudding, approximately 2-3 minutes.
  • Remove from the heat and whisk in vanilla.
  • Scrape into a heatproof bowl and cover surface of pudding with plastic wrap to prevent a skin from forming.
  • Cool mixture completely in the refrigerator for approximately 30 minutes. You can also place the bowl in the freezer to cool or over an ice-water bath.
  • In the bowl of an electric mixer using the whip attachment, beat the butter and sugar until light and fluffy.
  • Add spoonfuls of the cooled pudding and continue to beat until frosting looks light and fluffy.
  • Use at once.

Notes

Makes approximately 4 cups or enough to fill and frost a 2 layer, 9-inch cake