Dark Chocolate Salted Caramel Layer Cake

August 24, 2012

Dark Chocolate and Salted Caramel…What a wonderful combination! Without a doubt a couple of my favourites. I am definitely way into the whole salty/sweet thing. So I was very happy to make this Dark Chocolate Salted Caramel layer cake for my friend Erin’s Birthday get-together.

I’m happy to say that this cake turned out great! Let me just describe it for you. There are three layers of moist, tender dark chocolate cake. Nestled between each cake layer you will find a rich, silky layer of salted caramel Swiss Buttercream frosting. ( Have I mentioned that I LOVE Swiss Buttercream Frosting!) The cake is then encased within a decadent dark chocolate frosting. A bit of fleur de sel is sprinkled over the top. I then decorated it with a ring of mini chocolate chips and a malted milk ball. Be still my heart! This cake looked great and was delicious to boot!

The cake and frostings were easy to make, though a bit time-consuming. If you have never made caramel or Swiss Buttercream Frosting previously (OMG! you MUST make some soon…it is fabulous!) it may be a bit more of a challenge, but certainly do able. The directions listed below are very clear and easy to follow. That being said, I consider it time well spent. It was decidedly worth it to have a tasty homemade cake for Erin’s birthday celebration. Next time one of your chocolate, salted caramel loving friends have a birthday, look no further. This is the birthday cake they need!

Dark Chocolate Salted Caramel Layer Cake

recipe from: Annie’s Eats

Ingredients:

For the cake:

  • 2¼ cups all-purpose flour
  • 2¼ cups sugar
  • 1 cup plus 2 tablespoons dark unsweetened cocoa powder
  • 2¼ tsp. baking soda
  • 1½ tsp. baking powder
  • 1½ tsp. salt
  • 6 tbsp. vegetable oil
  • 1 cup plus 2 tbsp. buttermilk
  • 1 cup plus 2 tbsp. brewed coffee
  • 3 large eggs, at room temperature
  • 1 tbsp. vanilla extract

For the filling:

  • 1 cup sugar, divided
  • ¼ cup water
  • ¼ cup heavy cream
  • Generous pinch of sea salt, such as fleur de sel
  • 4 large egg whites
  • 1½ cup (3 sticks) unsalted butter, at room temperature

For the frosting:

  • 12 oz. good quality semisweet or bittersweet chocolate, finely chopped
  • ¼ cup unsweetened Dutch-process cocoa powder
  • ¼ cup very hot water
  • 1 cup plus 2 tbsp. (18 tbsp.) unsalted butter, at room temperature
  • 1/3 cup plus 1 tbsp. confectioners’ sugar
  • Pinch of salt

Fleur de sel, for finishing

Directions:

To make the cake, preheat the oven to 350˚ F.  Grease and flour the edges of 3 8-inch baking pans, shaking out the excess.  Line the bottoms with rounds of parchment paper.  In the bowl of an electric mixer, combine the flour, sugar, cocoa powder, baking soda, baking powder, and salt.  Mix on low speed to blend.  Add the vegetable oil, buttermilk, coffee, eggs, and vanilla to the bowl and mix on low speed until well blended and completely incorporated.  Divide the batter evenly between the prepared pans.  Bake 20-25 minutes, or until a toothpick inserted in the center comes out clean.  Let the cakes cool in the pans about 15 minutes, then invert onto a wire rack and allow to cool completely.  Remove the parchment paper.

To make the caramel buttercream filling, place ½ cup plus 2 tablespoons of the sugar in a medium saucepan.  Mix in the water.  Bring the mixture to a boil over medium heat.  Stop stirring and let the caramel cook, gently swirling from time to time, until it is a deep amber color (test a drop on a white plate or bowl if necessary), watching it carefully to avoid burning.  Remove the mixture from the heat and slowly whisk in the cream and then the salt.  Set aside and let cool.

Combine the egg whites and the remaining ¼ cup plus 2 tablespoons sugar in a heatproof bowl set over a pot of simmering water.  Heat, whisking frequently, until the mixture reaches 160° F and the sugar has dissolved.  Transfer the mixture to the bowl of a stand mixer fitted with the whisk attachment.  Beat on medium-high speed until stiff peaks form and the mixture has cooled to room temperature, about 8 minutes.  (The bowl should be cool to the touch.)

Reduce the speed to medium and add the butter, 2 tablespoons at a time, adding more once each addition has been incorporated.  If the frosting looks soupy or curdled, continue to beat on medium-high speed until thick and smooth again, about 3-5 minutes more (or longer – don’t worry, it will come together!)  Blend in the cooled caramel until smooth and completely incorporated, scraping down the sides of the bowl as needed.

To make the frosting, place the chopped chocolate in a heatproof bowl set over a pan of simmering water.  Heat, stirring occasionally, until the chocolate is completely melted and smooth.  Set aside and let cool to room temperature.  In a small bowl, combine the cocoa powder and water and stir until smooth.  In the bowl of an electric mixer, combine the butter, confectioners’ sugar and salt.  Beat on medium-high speed until light and fluffy, about 5 minutes.  With the mixer on low speed, gradually blend in the melted and cooled chocolate until well incorporated.  Blend in the cocoa powder-water mixture until smooth.

To assemble the cake, level the cake layers if necessary.  Place one of the cake layers on a cake board or serving platter.  Top with half of the caramel buttercream and smooth in a thick, even layer.  Place a second cake layer on top and smooth the remaining caramel buttercream over that.  Place the final cake layer on top.  Cover the top and sides of the cake with the chocolate frosting and smooth with an offset spatula.  If desired, use additional frosting to pipe decorative accents on the cake.  Refrigerate until ready to serve.  Before serving, sprinkle with fleur de sel.

Enjoy!


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