White Frosting

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  • Level: Easy
  • Total: 20 min
  • Prep: 20 min
  • Yield: about 2 cups
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Ingredients

4 large egg whites

3/4 cup sugar

Pinch of salt

2 sticks unsalted butter, cut into pieces, softened

Assorted food coloring

Directions

  1. Whisk the egg whites, sugar and salt in a heatproof bowl set over a saucepan of simmering water (do not let the bowl touch the water) until the mixture is warm and the sugar dissolves. Remove the bowl from the pan; let cool slightly. 
  2. Beat the egg white mixture in a stand mixer fitted with the whisk attachment (or with a hand mixer) on medium-high speed until stiff peaks form, 12 to 15 minutes. Beat in the butter a few pieces at a time, then continue beating until smooth. (Don't worry if the mixture looks separated at first-it will come together as you keep beating.)

Cook’s Note

Make sure that your butter is nice and soft (with no chill) or the buttercream may curdled when mixing.