This easy, silky-smooth Chocolate Buttercream Frosting comes together in just 10 minutes with basic pantry ingredients. It’s rich, chocolately, and perfect for frosting cakes, cupcakes, cookies, or anything else that could use a little chocolate upgrade.

Every year, I choose a “theme” and share 12 recipes fitting that theme for the year. In the past, we’ve done a year of quick breads, bundt cakes, pies, babkas, brownies, layer cakes, cheesecakes, and muffins. And for 2024, we’re doing something I’m very excited about… frosting recipes! Twelve different frosting recipes to mix-and-match with all your favorite cake recipes. How delicous!

To kick off the series, we’re starting with a classic: American-style chocolate buttercream. I firmly believe that every baker needs a reliable chocolate frosting recipe in their back pocket, and this is mine.

American-style buttercream is quick, simple, and doesn’t require any special equipment or ingredients. You can whip it up with nothing more than a bowl and a hand mixer. This chocolate version is made with cocoa powder, butter, powdered sugar, and a splash of cream for extra smoothness.

One of my favorite things about this frosting is how versatile it is. You can spread it thickly on a classic yellow cake, swirl it onto cupcakes, or use it as a filling for cookie sandwiches. It pipes beautifully for decorations, but it’s also casual enough to smear on with an offset spatula for a rustic, homemade look.

So the next time you’re baking a cake and wondering what frosting to use, this chocolate buttercream is the perfect choice. Whether you pair it with chocolate, vanilla, peanut butter, funfetti, or banana cake (I’ll share some favorites below!), this is the frosting that will make the whole dessert shine.

Ingredients and Substitutions

• Butter: Unsalted butter works best so you can control the salt. Make sure the butter is cool room temperature – about 65°F. If the butter is too soft, the resulting buttercream will have a greasy feeling.
• Cocoa Powder: Use natural or Dutch-processed cocoa powder, depending on your flavor preference. I usually opt for natural for a brigher, more intense flavor, while Dutch-processed cocoa has a smoother, more mellow chocolate flavor.
• Confectioners’ Sugar: Make sure to use powdered sugar; granulated sugar leaves behind a gritty texture.
• Heavy Cream: A few tablespoons of heavy cream helps to whip the frosting to a light, fluffy texture. Milk or half-and-half can be used in a pinch, but heavy cream creates the smoothest buttercream.
• Vanilla Extract: A little vanilla extract rounds out the chocolate flavor.
• Salt: A generous pinch of salt balances the sweetness. If you’ve ever had frosting that just tasted a little too tooth-achingly sweet, it probably didn’t have enough salt!

How to Make Chocolate Buttercream Frosting

1. Beat the Butter: Using an electric mixer, beat the room temperature butter until pale and fluffy, about 2 minutes.

2. Add Cocoa Powder: Mix in the cocoa powder until fully combined. Scrape down the sides of the bowl to ensure no dry spots remain.

3. Add Sugar and Cream: Alternate between adding the confectioners’ sugar and heavy cream, mixing well after each addition. This keeps the frosting smooth and lump-free.

4. Mix in Vanilla and Salt: Beat until everything is incorporated, mixing on high for an additional minute to aerate the buttercream for the fluffiest texture.

The Secret to Fluffy Buttercream

What makes some buttercream frostings taste light and airy, while others are dense and heavy? The difference comes down to mixing.

It’s tempting to stop once the sugar and cocoa powder look mixed in, but this is the point where a few extra minutes with the mixer make all the difference! Keep going, and the frosting transforms into something smooth, spreadable, and full of tiny air bubbles that give it that bakery-style fluff.

Kitchen Chemistry

As we beat the butter, tiny air pockets are whipped into the fat. These pockets act like balloons, stretching to hold both air and moisture. Confectioners’ sugar helps stabilize the structure, so the frosting keeps its shape instead of collapsing. Beating also raises the temperature of the butter slightly, softening the fat just enough to trap more air. The result is a frosting that feels lighter and spreads more easily over cakes and cupcakes.

Take-home message: don’t stop mixing too soon! Whip the buttercream on high speed for an extra minute or two at the end to build more structure and aeration, creating a frosting that is light, fluffy, and stable enough to pipe.

How Much Frosting to Use

This recipe makes approximately 3 cups of frosting. That’s enough for:

• 12 cupcakes: Generously frost with swirls, or 18-24 cupcakes with a thinner knife-spread layer.
• Sheet Cake: One batch of this recipe is enough for a 9 x 13-inch half sheet cake sized cake.
• Two-layer cake: One batch is just enough for thin layers or sides for an 8-inch or 9-inch cake. For a thicker coat, make 1 1/2 batches of frosting.
• Three-layer cake: You’ll need 1 1/2 to 2 batches of frosting for a three-layer 8-inch or 9-inch cake.
• Bundt Cake: To spread frosting across the top of a bundt cake, half of this recipe is sufficient.

Frosting amounts are always approximate. If you love extra-thick frosting or decorative piping, make more than you think you’ll need. It’s much easier to have a little extra frosting than to run out mid-cake!

Cake Pairing Ideas

Looking for some ways to use your delicious chocolate buttercream frosting? Try some of these recipes!

• Chocolate Chip Pound Cake
• Chocolate Hazelnut Cake
• Best Chocolate Sheet Cake
• Chocolate Fudge Bundt Cake
• Best Chocolate Layer Cake
• Ombre Chocolate Cake
• Chocolate Chip Layer Cake
• Banana Nutella Cake
• Chocolate Raspberry Cake
• Triple Chocolate Pound Cake

Tips and Tricks for the Best Chocolate Buttercream Frosting

1. Sift First: If your cocoa powder or powdered sugar are lumpy, sifting them will help keep your buttercream smooth.
2. Cocoa Powder Type: Use Dutch-processed cocoa powder for a darker, more mellow flavor, or natural unsweetened cocoa powder for a brighter, slightly more acidic taste.
3. Adjust Consistency: If the frosting is too thick, add a tablespoon of heavy cream. If it’s too thin, add a little more powdered sugar.
4. Make Ahead: This chocolate buttercream can be made up to 3 days in advance and stored in the refrigerator or frozen for up to 3 months. Bring to room temperature and re-whip before using.
5. Recommended Tools: Stand Mixer | Sieve | Offset Spatula | High-Quality Cocoa Powder