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Fluffy Vanilla Buttercream Frosting (American Buttercream) - Light, Sweet, and Spreadable

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Prep Time 10 minutes
Total Time 10 minutes
Servings: 12 servings
Ingredients Method

Ingredients
  

  • Unsalted butter (1 cup/226 g), room temperature
  • Powdered sugar (3½ to 4 cups/420–480 g), sifted for the smoothest texture
  • Pure vanilla extract (2–3 teaspoons), or vanilla bean paste for a speckled look
  • Heavy cream or whole milk (2–4 tablespoons), for fluff and spreadability
  • Fine sea salt (pinch to ¼ teaspoon), to balance sweetness

Method
 

  1. Soften the butter: It should be slightly cool but pliable. Press a finger into it; it should leave a gentle dent without sliding.
  2. Cream the butter: In a stand mixer with the paddle (or a hand mixer), beat butter on medium speed for 2–3 minutes until pale and airy. Scrape the bowl.
  3. Add half the sugar: With the mixer on low, add about half the powdered sugar. Mix until mostly combined, then increase to medium and beat 1 minute.
  4. Add vanilla and salt: Mix in vanilla and a pinch of salt. Taste after the frosting is finished and adjust salt if needed.
  5. Add remaining sugar: Mix in the rest of the powdered sugar on low. Once incorporated, increase speed to medium and beat 1–2 minutes. The mixture will look thick.
  6. Adjust consistency: Add 1 tablespoon cream at a time, beating on medium-high for 30–60 seconds after each addition until fluffy and spreadable. For piping, keep it slightly thicker; for frosting cakes, a bit softer is ideal.
  7. Whip for lift: Finish with a final 1–2 minutes on medium-high to trap air. Scrape the bowl so no dense pockets remain.
  8. Final taste and tweak: Add more vanilla for stronger flavor, a touch more salt to balance, or extra sugar to stiffen. If it gets too soft, chill 10 minutes, then rebeat.