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Ultimate Fluffy & Stable Vanilla American Buttercream Frosting

A tall, perfectly piped swirl of fluffy vanilla buttercream frosting sitting on a small white plate.

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Make the best vanilla buttercream frosting that is creamy, fluffy, and holds its shape for piping. This classic American buttercream recipe is simple to follow and perfect for all your cakes and cupcakes.

Ingredients

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

Instructions

  1. Place the softened butter in a large mixing bowl. Beat the butter with an electric mixer on medium speed until it is 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 fully incorporated after each addition.
  3. Add the vanilla extract and the pinch of salt. Mix on low speed until combined.
  4. Add 2 tablespoons of heavy cream or milk. Increase the mixer speed to medium-high and beat for 3 to 5 minutes until the frosting is light and fluffy. This whipping time is key for a smooth texture.
  5. If the frosting seems too stiff for spreading or piping, add the remaining cream, one teaspoon at a time, until you reach your desired consistency. If it is too soft, add a small amount of extra sifted powdered sugar.
  6. Use immediately to frost your cakes or cupcakes.

Notes

  • For the best results and a truly smooth buttercream, ensure your butter is softened but not melted.
  • Sifting the powdered sugar prevents lumps in your final frosting.
  • If you need a stiffer frosting for detailed piping work, reduce the liquid slightly and beat for the full 5 minutes.
  • This recipe makes enough creamy vanilla frosting for one 9-inch layer cake or about 18 cupcakes.

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