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Chocolate Buttermilk Cake with Chocolate Frosting

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With moist chocolate buttermilk cake and whipped chocolate buttercream, this layered Chocolate Buttermilk Cake is absolutely delish. This cake is so easy to make, tastes incredible, and looks extra-fancy with some simple garnishes!

Side view of a round chocolate frosted chocolate buttermilk cake covered with rich buttercream chocolate icing and a chocolate glaze drizzled over the top of the cake and the fresh raspberry garnish topping the cake. A ring of fresh berries rings the cake on the white footed cake stand.

Today is my birthday and what better way could there be to celebrate than with a chocolate cake? 

This isn’t just any cake, though… it is a moist, chocolatey, buttermilk chocolate cake with whipped chocolate buttercream frosting. I wanted something super chocolatey and something beautiful that also wasn’t too fussy to make.

This cake was perfect! I garnished with berries and I used about 1/4 cup of frosting which I heated in the microwave and drizzled over the top of the berries. 

Why you’ll love this Chocolate Frosted Chocolate Buttermilk Cake

  • Super chocolaty and delish
  • Easy to make and is a crowd-pleaser
  • Looks fancy without too many fussy steps
  • Moist, rich texture and flavor


Top view of a rich chocolate frosted chocolate buttermilk  cake covered in whipped buttercream chocolate frosting with a pile of fresh raspberries garnishing the top and a chocolate drizzle all over and a ring of fresh raspberries around the base of the cake.

Ingredients

For the cake:

  • Butter
  • Water
  • Baking cocoa
  • Flour
  • Sugar
  • Baking powder
  • Baking soda
  • Salt
  • Buttermilk
  • Vanilla extract
  • Eggs

For the frosting:

  • Cocoa
  • Powdered sugar
  • Butter
  • Vanilla
  • Whipping cream, plus extra
closeup of a chocolate frosted chocolate buttermilk cake-top with a pile of fresh raspberries covered in a drizzle of chocolate glaze with the word "happy" written in chocolate.

How to Make Chocolate Frosted Chocolate Buttermilk Cake

This recipe is originally from Taste of Home.

For the cake:

  1. Preheat oven to 350.
  2. Prepare either a 13 x 9″ pan or 2 8″ round pans with cooking spray.
  3. In a small saucepan bring butter, water and cocoa to a boil.
  4. In a separate bowl, combine the flour, sugar, baking powder, baking soda and salt.
  5. Add cocoa mixture.
  6. Combine the buttermilk and the vanilla, then add to the batter and mix well.
  7. Beat in the eggs.
  8. Pour into prepared pans.
  9. Bake for 23-27 minutes or until a toothpick inserted into the center comes out clean.

For the frosting:

  1.  In a bowl whisk together the cocoa and the sugar and set aside.
  2. Then in the bowl of a stand mixer fitted with a paddle attachment, cream the butter until smooth.
  3. Add the cocoa mixture, alternating with the whipping cream until mixture is creamy and blended well.
  4. Add the vanilla.
  5. Gradually add cream until you have the desired spreading consistency. Do not add a lot at once or your frosting will get soupy. 

Note: For this cake I garnished with berries and I used about 1/4 cup of frosting which I heated in the microwave and drizzled over the top of the berries. 

Large white cake stand holding a round two-layered chocolate frosted chocolate buttermilk cake with whipped chocolate buttercream frosting and chocolate glaze garnished with respberries.

Tips & Variations

  • Change the frosting. You can use vanilla buttercream or a sprinkle of powdered sugar instead of frosting.
  • Top with nuts. Sprinkle the top of the cake with toasted pecan or walnut pieces.
  • Add a fruit filling. If making a two layered round cake, fill with a strawberry or raspberry jam filling instead of frosting.

Storage

This cake can remain on a countertop in a covered container for 1-2 days, then refrigerated, covered for 4-5 days.

To freeze, chill cake so frosting is not soft and wrap individual pieces in plastic wrap and then seal in a covered freezer-safe container for up to 2 months.

Round chocolate frosted chocolate buttermilk cake with whipped coca frosting and has chocolate drizzle all over and a centerpiece of fresh raspberries in a mound with the word happy written in chocolate in front of the raspberreis and a ring of fresh raspberries around the bottom of the cake.

Related Recipes

large graphic with cacao pod for once upon a chocolate life blog.

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Large white platter holding a round two-layered chocolate buttermilk cake with whipped chocolate buttercream frosting and chocolate glaze garnished with respberries

Chocolate Frosted Chocolate Buttermilk Cake

With moist chocolate buttermilk cake and whipped chocolate buttercream, this Chocolate Frosted Chocolate Buttermilk Cake is absolutely delish.
Print Recipe

Ingredients

For the cake:

  • 1 cup butter cubed
  • 1 cup water
  • 2 TBSP baking cocoa
  • 2 cups flour
  • 2 cups sugar
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 cup buttermilk
  • 1 teaspoon vanilla extract
  • 2 eggs

For the frosting:

  • 3/4 cup cocoa
  • 4 cups powdered sugar
  • 1/2 stick butter softened
  • 1 teaspoon vanilla
  • 1/2 cup whipping cream plus extra

Instructions

For the cake:

  • Preheat oven to 350.
  • Prepare either a 13 x 9″ pan or 2 8″ round pans with cooking spray.
  • In a small saucepan bring butter, water and cocoa to a boil.
  • In a separate bowl, combine the flour, sugar, baking powder, baking soda and salt.
  • Add cocoa mixture.
  • Combine the buttermilk and the vanilla, then add to the batter and mix well.
  • Beat in the eggs.
  • Pour into prepared pans.
  • Bake for 23-27 minutes or until a toothpick inserted into the center comes out clean.

For the frosting:

  • In a bowl whisk together the cocoa and the sugar and set aside.
  • Then in the bowl of a stand mixer fitted with a paddle attachment, cream the butter until smooth.
  • Add the cocoa mixture, alternating with the whipping cream until mixture is creamy and blended well.
  • Add the vanilla.
  • Gradually add cream until you have the desired spreading consistency. Do not add a lot at once or your frosting will get soupy.

Notes

Note: For this cake I garnished with berries and I used about 1/4 cup of frosting which I heated in the microwave and drizzled over the top of the berries. 
Course: Dessert
Cuisine: American
Keyword: chocolate buttermilk cake

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