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The Ultimate Stable & Fluffy Vanilla American Buttercream Frosting

A beautiful, tall swirl of creamy white vanilla buttercream frosting piped onto a small white dish.
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This recipe translates professional technique into a simple guide for making bakery-style vanilla buttercream. You get a frosting that is perfectly smooth, holds its shape for piping, and avoids common issues like graininess or weeping.

Ingredients

Scale
  • 1 cup (226g) unsalted butter, softened to cool room temperature
  • 4 cups (480g) powdered sugar, sifted
  • 1 teaspoon pure vanilla extract
  • 1/4 teaspoon fine salt
  • 3 to 5 tablespoons heavy cream or whole milk

Instructions

  1. Place the softened butter into the bowl of a stand mixer fitted with the paddle attachment. Beat the butter on medium speed for 5 minutes until it is very pale, light, and fluffy. This step incorporates air and prevents a dense texture.
  2. Stop the mixer. 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 frequently.
  3. Add the vanilla extract and salt. Mix on low speed until incorporated.
  4. Add 3 tablespoons of heavy cream or milk. Increase the mixer speed to medium-high and beat for 3 to 5 minutes. This extended whipping time is key to achieving a smooth, non-grainy texture and stability.
  5. Check the consistency. If the frosting is too stiff for your needs, add the remaining cream one teaspoon at a time until you reach your desired piping consistency. If you need a stiffer frosting for detailed piping, add one more tablespoon of sifted powdered sugar.
  6. Use immediately for frosting cakes or cupcakes.

Notes

  • Sifting the powdered sugar is non-negotiable; this is the primary way you prevent graininess in American buttercream.
  • Room temperature butter must be cool, not warm. If the butter is too warm, the frosting will separate or weep.
  • For the richest flavor, use a high-quality pure vanilla extract.
  • If your finished frosting seems too soft after whipping, chill it for 15 minutes, then re-whip briefly before using.

Nutrition

Find it online: https://kitchenslang.com/vanilla-buttercream-frosting-recipe-fluffy/