Classic American Buttercream Frosting
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Beat the butter on its own until it goes pale, and the rest of the frosting comes together fast. Ten minutes later, the cupcakes are waiting, and so are the kids with the spatula.
The short version
Beat cool butter until pale, add sifted powdered sugar on low, then vanilla, salt and cream. Beat 2 to 3 minutes until fluffy. For chocolate, swap part of the sugar for cocoa. About 10 minutes in all.
What makes ours better
why ours wins the argument at dinner
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Beat the butter alone first. Two minutes of beating before the sugar goes in makes the butter pale and light, and it's what gives the frosting its fluffy texture.
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Use cool butter, not soft butter. Butter at about 67°F (it dents when pressed but doesn't smear) holds air. Warm, greasy butter makes a frosting that slumps.
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Add salt and cream. Salt cuts the sweetness so the butter and vanilla come through, and cream makes the frosting smooth and rich.
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Finish on low speed. Beating the last minute on low pushes out large air bubbles, so the frosting is smooth on a cake.
What you need
the stars of the show
- Unsalted butter1 cup
- Powdered sugar3 cups
- Vanilla extract2 teaspoons
- Heavy cream2 tablespoons
yes, all of the butter
Steps
go slow. the good part can’t be rushed.
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Beat the butter
Using a stand mixer with the paddle attachment or a hand mixer, beat the butter on medium speed for 2 minutes, until it's pale and creamy. Scrape down the bowl.
Take the butter out of the fridge about 30 minutes ahead. If a fingertip leaves a dent but the stick doesn't feel greasy, it's ready.
About 2 min. Cook mode has a timer for this step.
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Add the sugar
Turn the mixer to low and add the powdered sugar in three additions, waiting until each is mostly blended before adding the next. Scrape down the bowl, then increase to medium and beat for 2 minutes.
Sift the sugar. Lumps don't beat out.
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Season and loosen
Add the salt, vanilla and 2 tablespoons of the cream. Beat on medium until fluffy and pale, about 2 minutes. The frosting should hold a soft peak.
About 2 min. Cook mode has a timer for this step.
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Adjust the texture
If the frosting is stiff, beat in more cream, a teaspoon at a time. If it's too soft, add powdered sugar, 2 tablespoons at a time. Beat on low for 30 seconds to smooth it out.
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Frost
Use right away on cooled cakes or cupcakes. Spread with an offset spatula, or pipe it with a large star tip.
Good to know
things I learned the hard way, so you can skip that part
- For chocolate buttercream, use 2½ cups powdered sugar and add ½ cup unsweetened cocoa powder, sifted with the sugar. You'll need 3 to 4 tablespoons of cream, added a little at a time. Add 1 teaspoon of espresso powder for a deeper flavor.
- Doubling the recipe covers a two-layer 8- or 9-inch cake. Use a stand mixer for that amount.
- If your butter is salted, cut the salt to ¼ teaspoon.
- For a pure white frosting, use clear vanilla and milk or cream. The butter will still give it an ivory color.
- Storage. Refrigerate in an airtight container for up to 2 weeks, or freeze for 3 months. Bring to room temperature and re-whip before using. A frosted cake keeps at room temperature for 2 days under a cover.
Questions, answered
asked and answered at the kitchen counter
Why is my buttercream grainy?
The powdered sugar wasn't sifted, or it hasn't been beaten long enough. Beat for another minute, and add a teaspoon of cream if it's still gritty.
Why is my buttercream too sweet?
Add salt and make sure you're beating enough air in. A little extra salt, or a splash of lemon juice, balances the sugar.
How do I fix buttercream that's too soft or runny?
Chill the bowl for 15 minutes, then re-whip. If it's still loose, beat in powdered sugar 2 tablespoons at a time.
How do I fix buttercream that's too stiff?
Beat in cream or milk a teaspoon at a time until it spreads smoothly.
Can I make buttercream ahead of time?
Yes. Refrigerate it for up to 2 weeks, then let it sit at room temperature for an hour and beat it until smooth again.
Can I use milk instead of cream?
Yes. Whole milk makes a slightly lighter frosting that's a bit less rich.
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Published October 29, 2026.