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Silky Smooth Buttercream Frosting (Only 4 Simple Ingredients!) - Light, Fluffy, and Foolproof

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

Ingredients
  

  • 1 cup (2 sticks) unsalted butter, softened to room temperature
  • 3–4 cups powdered sugar (start with 3 cups, add more to taste and texture)
  • 1–2 teaspoons pure vanilla extract
  • 2–4 tablespoons milk or heavy cream (adjust for consistency)
  • Pinch of fine salt (optional, but recommended to balance sweetness)

Method
 

  1. Beat the butter: In a large bowl, beat softened butter on medium-high for 2–3 minutes until pale and fluffy. This step traps air and sets you up for a silky texture.
  2. Add powdered sugar gradually: Turn the mixer to low and add powdered sugar 1 cup at a time. Mix on low until mostly incorporated, then increase to medium for 30 seconds. Repeat until 3 cups are in.
  3. Flavor it: Add vanilla and a pinch of salt. Mix on medium until smooth and fragrant.
  4. Adjust consistency: Add 1 tablespoon of milk or cream at a time, beating on medium, until the frosting is soft, creamy, and spreadable. For piping, keep it slightly thicker; for spreading, go a touch looser.
  5. Taste and refine: If you want it sweeter or stiffer, add more powdered sugar by the tablespoon. If it feels too thick, add another splash of milk or cream.
  6. Whip it silky: Finish by beating on medium-high for 1–2 minutes until light and billowy. Avoid over-whipping to prevent excess air bubbles.