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The Ultimate Fluffy & Stable American Vanilla Buttercream Frosting Recipe

A close-up of perfectly piped, creamy vanilla buttercream frosting mounded high in a small white bowl.

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Make the best homemade frosting for cake with this easy American buttercream recipe. You get a creamy, fluffy, and stable vanilla buttercream perfect for piping designs on cakes and cupcakes.

Ingredients

Scale
  • 1 cup (226g) unsalted butter, softened to room temperature
  • 4 cups (480g) powdered sugar, sifted
  • 1 teaspoon pure vanilla extract (use high-quality for rich vanilla flavor)
  • 24 tablespoons heavy cream or milk
  • Pinch of salt

Instructions

  1. Beat the softened butter in a stand mixer with the paddle attachment on medium speed until it is pale and creamy, about 3 minutes. This step incorporates air for a fluffy texture.
  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 of the bowl as needed.
  3. Add the vanilla extract and salt. Increase the mixer speed to medium-high and beat for 3-4 minutes until the frosting is light and fluffy. This whipping time is key for a bakery style consistency.
  4. Add the heavy cream or milk, one tablespoon at a time, beating until you reach your desired spreading or piping consistency. If the frosting is too soft, add a little more sifted powdered sugar. If it is too stiff, add a tiny bit more liquid.
  5. If you need a very stiff frosting for intricate piping designs, beat on high speed for an extra minute after achieving the right consistency.
  6. Use immediately on your cooled cakes, cupcakes, or cookies.

Notes

  • For the smoothest buttercream, ensure your butter is truly at room temperature, not melted.
  • If your kitchen is warm, chill the finished frosting for 10 minutes before piping to increase stability.
  • To achieve a rich vanilla flavor, use a high-quality pure vanilla extract.
  • If you are making a large batch, consider using a whisk attachment instead of the paddle for maximum air incorporation.

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