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The Best Classic American Vanilla Buttercream Frosting

A generous mound of creamy, pale yellow vanilla buttercream frosting piped onto a small plate.

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Make this creamy, smooth, and fluffy vanilla buttercream frosting. It is the best buttercream for cakes and holds perfect piping consistency for cupcakes.

Ingredients

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  • 1 cup (2 sticks) unsalted butter, softened to room temperature
  • 4 cups powdered sugar, sifted
  • 1 tablespoon pure vanilla extract
  • 3 to 4 tablespoons heavy cream or whole milk
  • 1/4 teaspoon salt

Instructions

  1. Place the softened butter into the bowl of a stand mixer fitted with the paddle attachment. Beat the butter on medium speed until it is completely smooth and creamy, about 2 minutes. Scrape down the sides of the bowl.
  2. Gradually add the sifted powdered sugar, one cup at a time, mixing on low speed until just combined after each addition. Scrape down the sides frequently.
  3. Add the vanilla extract and salt. Increase the mixer speed to medium-high and beat for 3 minutes until the mixture is lightened in color and fluffy.
  4. Add 3 tablespoons of heavy cream or milk. Beat on medium-high speed for another 3 to 5 minutes until the vanilla buttercream frosting is very light and fluffy. This extended whipping time is key for a smooth texture.
  5. Check the consistency. If the frosting seems too stiff for spreading or piping, add the remaining 1 tablespoon of cream, one teaspoon at a time, until you reach your desired consistency for your homemade vanilla cake frosting.
  6. Use immediately to frost cakes or cupcakes, or store covered at room temperature for up to 2 days.

Notes

  • Room temperature butter is essential for smooth buttercream. It should yield slightly when pressed but not be melted or greasy.
  • Sifting the powdered sugar prevents lumps, which helps you achieve a smooth buttercream finish.
  • If your frosting seems too thin after adding the liquid, add a quarter cup more powdered sugar and beat again.
  • For a stronger vanilla flavor, use vanilla bean paste instead of extract.

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