If you love a fluffy chocolate buttercream that practically floats off the cake, this is the magic recipe for you. I add an extra special, unexpected ingredient to balance the sweetness. You are left with airy chocolate frosting that compliments and enhances cakes and cupcakes, instead of overwhelming it. I’ll show you the secrets!

chocolate buttercream cake with a large slice about to be taken out
What’s the secret to the world’s best chocolate frosting? Whipping in heavy cream gives it an uber light airiness, while my secret ingredient balances sweetness.

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Uber Light & Fluffy Chocolate Buttercream

Many buttercream frosting recipes have the tendency to be greasy, heavy, and overly sweet. I prefer homemade chocolate buttercream to be very light and fluffy so it doesn’t weigh down and overpower the delicate cakes and cupcakes.

With my favorite fluffy white buttercream recipe being such a hit, I wanted to share an equally perfect chocolate version. They both use heavy cream to aerate and lighten the texture of the frosting, so it has a texture more like whipped cream, than buttercream.

However, my chocolate frosting uses an unexpected special ingredient that will make you want to dive in by the spoonfuls. What’s the secret? Add in a splash of molasses to tone down sweetness and add a slightly dark, smoky flavor. It’s the perfect compliment to chocolate. Make it for yourself and see exactly what I mean!

Let’s Make This Together!

(Below shows step-by-step photos and modified instructions. For the complete recipe, along with ingredient amounts, scroll down to the recipe card.)

Cream the butter

For this recipe you will need 2 1/2 sticks softened butter, which is 283 g. If you forget to set your butter out you can use the defrost button on your microwave. Just be sure to watch it carefully so it doesn’t melt!

This chocolate frosting is made with cocoa powder. You could just throw it in there, but you will most likely end up with clumps after it’s mixed. Therefore I recommend using a sifter to sift it in with the powdered sugar and salt.

ingredients for chocolate frosting in a mixing bowl.

Beat until thick…you will doubt…

After everything is mixed together you will have a very thick frosting and you may question things. But this is where the magic comes in. Add in the heavy cream, molasses, and vanilla.

adding the heavy cream in.

Whipped, light frosting!

This is why I love my stand mixer. It does all the work for you. Once the liquids are mixed in at low speed, increase to medium and beat for a full 5 minutes.

If you have ever made homemade whipped cream, you’ve seen how heavy cream increases in volume when beaten for a longer time. You will get heavenly, light homemade chocolate frosting that tastes out of this world. Dig in!

the frosting after everything is mixed together.

Anything Else I Should Know?

This recipe makes about 4 cups, which is enough to frost a 2 layer 8 or 9-inch cake or 24 cupcakes. If frosting a single layer, 9X13 sheet cake, or 12 cupcakes, I would halve the recipe. Also, piping frosting with a tip generally uses more frosting, so it may not extend as far.

It’s best to use a stand mixer with paddle attachment, since they are more powerful and the frosting beats for an extended period of time. A hand mixer may also be used, but it will have to mix a little longer to reach the right consistency.

If you don’t have molasses on hand, you don’t need to add it, but honestly? I would love for you to give it a try. It’s the chef’s kiss for flavor. For a richer darker flavor use dutch processed cocoa powder over natural unsweetened cocoa.

overhead shot of chocolate frosting in a white bowl
This is the homemade chocolate frosting recipe that will make you throw out any prior made versions. Bookmark or print this page. You’ll need it for years to come!

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chocolate buttercream cake with a large slice about to be taken out
4.77 stars (17 ratings)

Simply, the Fluffiest Chocolate Buttercream Frosting

If you love a fluffy chocolate buttercream that practically floats off the cake, this is the magic recipe for you. I add an extra special, unexpected ingredient to balance the sweetness. You are left with airy chocolate frosting that compliments and enhances cakes and cupcakes, instead of overwhelming it. I'll show you the secrets!

Ingredients
 

Instructions
 

  • In a large mixing bowl, or stand mixer fitted with paddle attachment, beat together room temperature butter until smooth. Add the powdered sugar, cocoa powder, and salt until well combined.
    2 ½ sticks unsalted butter, 3 cups powdered sugar, ¾ cup unsweetened cocoa powder, ¼ teaspoon salt
  • To the bowl add heavy cream, molasses, and vanilla extract. Beat on low until ingredients are combined.
    ½ cup heavy cream, 1 tablespoon molasses, 1 teaspoon vanilla extract
  • Increase speed to medium and beat for 5 full minutes, scraping down bowl occasionally. The frosting should be very fluffy, like a bowl of whipped cream. Use to frost a layer cake or 24 cupcakes. Makes 4 cups.

Notes

Storing Tips
After mixing together the chocolate frosting keep it at room temperature until ready to frost, pipe, or decorate. If you refrigerate the buttercream it will resolidify the butter and harden. 
Buttercream can still be made ahead of time and stored in an airtight container at room temperature up to two days. The high amount of sugar acts as a preservative so it doesn’t need to be refrigerated immediately.
If you have leftover frosting, or want to store it longer, buttercream may be refrigerated up to two weeks or frozen for 3 months. Before using to decorate, though, it will have to be brought to room temperature again to soften.
 
Calories: 169kcal, Carbohydrates: 17g, Protein: 1g, Fat: 12g, Saturated Fat: 7g, Cholesterol: 32mg, Sodium: 111mg, Potassium: 60mg, Fiber: 1g, Sugar: 15g, Vitamin A: 367IU, Calcium: 11mg, Iron: 1mg
Did you make this recipe?Please leave a star rating and review below. It helps others when searching for recipes and I LOVE feedback!