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A large glass bowl of smooth, fluffy buttercream frosting, with an offset spatula creating a deep swirl to show its pipeable texture.

Buttercream Frosting

Rebecca Blumer
This classic American buttercream frosting recipe creates a light, fluffy, and perfectly pipeable topping for cakes and cupcakes. It comes together quickly with just a few simple ingredients for a sweet, smooth, and reliable finish.
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Prep Time 5 minutes
Total Time 5 minutes
Course Dessert, Frosting
Cuisine American
Servings 2 cups
Calories 160 kcal

Equipment

  • Electric Mixer (Handheld or Stand Mixer)

Ingredients
 

  • 1 cup unsalted butter, softened to room temperature (16 Tbsp; 226g)
  • 4 – 5 cups confectioners’ sugar (480-600g)
  • 1/4 cup heavy cream, half-and-half, or whole milk, at room temperature (60ml)
  • 2 teaspoons pure vanilla extract
  • salt, to taste

Instructions
 

  • Beat the softened butter with a handheld mixer or a stand mixer fitted with the paddle on medium speed for about 2 minutes. The butter should look creamy, noticeably paler, and slightly fuller once enough air has been worked in.
  • Add 4 and 1/2 cups confectioners’ sugar, the heavy cream, and the vanilla extract, then start mixing on low speed for 30 seconds. Beginning slowly keeps the sugar in the bowl and helps the ingredients come together without lumps.
  • Raise the mixer to medium-high speed and beat for 2 full minutes. The frosting should become fluffy, smooth, and soft enough to spread, and it should stop feeling gritty between your fingers.
  • Taste the frosting and add a pinch of salt if it tastes overly sweet. A small amount can brighten the vanilla and make the sweetness feel more balanced.
  • Adjust the texture if needed by mixing in up to 1/2 cup more confectioners’ sugar if the frosting is too thin or more heavy cream if it is too thick. Add the cream only 1 Tablespoon at a time so you can fine-tune the consistency without making it loose.
  • Use the frosting right away, or cover it tightly and store it if you are not using it immediately. After chilling or freezing and thawing, a quick beat on medium speed and a small splash of heavy cream or milk can bring back a creamy, pipeable texture.

Notes

Smooth Finish Tip: For an ultra-smooth finish without air bubbles, reduce the mixer speed to low for a few minutes after the frosting is whipped. This pushes out larger air pockets.
Fixing Gritty Frosting: If your frosting feels grainy, let it rest for 20-30 minutes so the sugar can dissolve more fully, then beat it again until smooth.
Storage: Store buttercream in an airtight container in the refrigerator for up to 1 week or in the freezer for up to 3 months. Let it come towards room temperature, then re-whip before using, adding a splash of cream if needed.
Fixing Separated Frosting: If the frosting looks curdled, it's usually because the ingredients were different temperatures. Just keep beating on medium-high speed, and it should come back together into a smooth emulsion.
Nutrition information is an estimate based on common ingredients and serving sizes. Values may vary depending on brands, portions, and substitutions.
Keyword American buttercream, buttercream frosting, vanilla buttercream frosting