Kats’ Kitchen

Cocoa-Buttermilk Birthday Cake April 18, 2009

Filed under: cake — stacielk @ 1:17 am
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We celebrated my mom-in-law’s birthday last weekend and I was in charge of the cake.  I decided on this Cocoa-Buttermilk Birthday Cake with Chocolate Malt Buttercream…need I say more?

Well, I will anyway.  The cake was described as almost ‘brownie-like’ by my husband.  The buttercream came together easily, was silky smooth and was so easy to use.  The taste…rich, creamy and delicious! 

I’ll stop wasting your time, here’s the recipe:

Cocoa-Buttermilk Birthday Cake

2 cups all-purpose flour

1/2 cup unsweetened cocoa pwd

1/2 tsp baking pwd

1/2 tsp baking soda

1/2 tsp salt

2 sticks (8 oz) unsalted butter, room temp

1 1/2 cups sugar

2 large eggs

2 large egg yolks

1 tsp vanilla extract

1 cup buttermilk

4 oz bittersweet choc, melted & cooled (opt)

Center a rack in the oven and preheat the oven to 350 degrees.  Butter two 9×2 inch round cake pans, dust the insides with flour, tap out the excess and line the bottoms with rounds of parchment paper. 

Whisk together the flour, cocoa, baking powder, baking soda and salt.

Working with a stand mixer with a paddle attachment, beat the butter on medium speed until soft and creamy.  Add the sugar and beat for about 2 minutes, until it is thoroughly blended into the butter.  Add the eggs, one at a time, then the yolks one by one, beating for 1 minute after each addition and scraping down the sides and bottom of the bowl as needed.  Beat in the vanilla.  Reduce the mixer speed to low and add the dry ingredients alternately with the buttermilk; add the dry ingredients in 3 portions and the buttermilk in 2 (begin and end with the dry ingredients); mix only until each new batch is blended into the batter.  Scrape down the bowl and, if you want, add the melted chocolate, folding it in with a rubber spatula.  Divde the batter between the cake pans. 

Bake for 26-30 minutes, or until the cakes feel springly to the touch and start to pull away from the sides of the pans.  Transfer the cakes to racks and cool for about 5 minutes, then run a knife around the sides of the cakes, unmold them and peel off the paper liners.  Invert and cool to room temperature right side up.  (Once the layers are cooled, they can be wrapped airtight and left at room temp. overnight or kept frozen for up to 2 months.

Chocolate-Malt Buttercream

6 oz bittersweet chocolate, coarsely chopped

1/3 cup (packed) brown sugar

1/4 cup malted milk powder

1 Tbsp unsweetened cocoa pwd

1/4 cup boiling water

2 sticks (8 oz) unsalted butter, at room temp

pinch of salt

3/4 tsp vanilla extract

2 1/4 cup confectioners’ sugar, sifted

Melt the chocolate with half the brown sugar in a heatproof bowl in the microwave in 20 second increments. 

Whisk the malt powder and cocoa together in a small bowl, pour over 3 Tbsp of the boiling water and whisk until smooth.  Whisking the melted chocolate gently, gradually pour in the hot malt-cocoa mixture and stir to blend-it should be dark, smooth and glossy; set aside.

Working with the stand mixer, preferably fitted with the paddle attachment, or with a hand mixer in a large bowl, beat the butter on medium speed until soft and fluffy, about 2 minutes.  Add the remaining brown sugar and beat for 2 to 3 minutes more, until well blended.  Beat in the salt and vanilla extract, then reduce the mixer speed to low.  Scrape in the chocolate mixture and mix until smooth.  Still working on low speed, gradually add the confectioners’ sugar.  When all the sugar is in, increase the mixer speed to medium and beat for a couple of minutes.  Lower the speed and add the remaining Tbsp of boiling water, then increase the speed and give the frosting another quick spin.  It will be light and should be thick enough to use immediately.  If it doesn’t hold its shape, beat it just a bit more.

Assembling the Cake

Place one layer top side up on a cardboard round or cake plate.  Frost the top of the layer and cover with the second cake layer, top side down.  Frost the sides and top of the cake, either smoothing the buttercream for a sleep look or using a spatula, knife or spoon to swirl it for a more exuberant look.

Refrigerate the cake for at least 1 hour (or for up to 1 day, if that’s more convenient) to set the frosting, then bring to room temperature before serving.

Recipe from:  Baking: From My Home to Yours by Dorie Greenspan


4 Responses to “Cocoa-Buttermilk Birthday Cake”

  1. ingrid Says:

    Love how you made a collage with all your photos! That’s neat how you made al those spikes with the frosting.

  2. Donna Says:

    This looks like a terrific cake and I LOVE the chocolate malt frosting. Just stumbled upon your blog, I think its wonderful. Lots of good stuff here. Nice to met you.

  3. Mom Van Eck Says:

    This one looks delicious. I bet your baby brother would love you to make one for his sweet sixteen birthday!


  4. Jaime Says:

    i’ve made this cake before too and loved it!

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