Supreme Chocolate Cake with Chocolate Mousse Filling ~Sweet & Savory by Shinee

Supreme Chocolate Cake with Chocolate Mousse Filling ~Sweet & Savory by Shinee

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March 7, 2014

Supreme Chocolate Cake with Chocolate Mousse Filling

For serious chocolate lovers! This decadent chocolate cake with chocolate mousse filling is THE thing to satisfy your chocolate craving!

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I have to warn you, this cake is SO delicious it might just become a reason for a fight in your family. ?

I made this chocolate cake for my husband for Valentine’s Day. The cake turned out amazing. Rich and moist, irresistibly chocolaty. Although just two of us could have finished the whole cake without problem, we shared it with our family. (Yep, we’re that awesome! ?

Couple weeks later when I was visiting, my mother-in-law told me about the drama over the last piece of cake. My father-in-law loves chocolate and, apparently, he was savoring the cake one small piece at a time. When he came back to enjoy his last piece of this heavenly dessert, it was nowhere to be found. No one knew where it is, and no one would admit eating it. Yep, just like that, the last slice of the cake had disappeared without a trace. Sadly, my poor father-in-law had been grumpy for a week, wondering about the mystery of the missing cake.

That was a great excuse for me to bake this cake again.

The first one had a small issue that I needed to fix. The problem was that I was lazy and baked the whole cake in one deep 9-inch cake pan, instead of two. This caused an ugly sinkhole in my final cake. See below.

I know it doesn’t really matter, as it still tastes wonderful.

However, I think it’s important to understand the reason behind the problems, so we can avoid them later. So, here is the explanation.

Since the batter is very runny due to high amount of liquid, there isn’t enough structure to hold a high rise even after the cake is baked completely. That’s why it’s important to bake them in two separate pans.

Now, here is the step-by-step instruction for this amazingly delicious cake.

If you don’t have instant espresso powder, use strong coffee instead, or skip it. You really won’t taste the coffee, it just enhances the chocolate flavor.

While the cake is cooling, prepare the chocolate mousse filling.

To assemble the cake:

To slice the cake into even layers, I used this Zenker Layer Cake Slicer Kit.  It makes perfectly even layers and I love it. Make sure that the cake is completely cooled before slicing though, otherwise it’ll break easily. 

You can find the detailed recipe for chocolate ganache here on my blog.

Voila!

 It paired really well with my homemade vanilla bean ice cream!

Hope you’ll try this cake soon. And please don’t fight over that last piece of cake. Enjoy!

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Supreme Chocolate Cake with Chocolate Mousse Filling

For serious chocolate lovers! This decadent chocolate cake with chocolate mousse filling is THE thing to satisfy your chocolate craving!

Yield:10-12 servings

Prep Time:15 min

Total Time:4 hours 30 min (including cooling and assembling times)

Ingredients:

For cake:

  • 2 cups (250gr) all-purpose flour
  • 1 ½ cups (300gr) sugar
  • ¾ cup (90gr) unsweetened cocoa powder
  • 1 ½ teaspoons baking soda
  • 1 ½ teaspoons baking powder
  • ½ teaspoon salt
  • ½ cup (120ml) hot water
  • 1 teaspoon instant espresso coffee
  • 2 large eggs, at room temperature
  • 1 cup (240ml) milk, at room temperature
  • ½ cup (120ml) Greek yogurt, at room temperature
  • 1 tablespoon pure vanilla extract

For mousse filling:

  • ½ cup (120ml) hot water
  • 4 tablespoons (30gr) unsweetened cocoa powder
  • ½ teaspoon instant espresso coffee
  • 1 ½ cup (260gr) bittersweet chocolate chips
  • 2 cups (480ml) heavy cream, cold
  • 2 tablespoons sugar
  • 1/3 cup Nutella

For chocolate ganache:

  • ½ cup heavy cream
  • 1 cup chocolate chips
  • 1 tablespoon softened butter, optional

Directions:

  1. To make the cake, preheat the oven to 350°F (175°C). Grease two 9-inch round cake pans.
  2. In a medium bowl, whisk together flour, sugar, cocoa powder, baking soda, baking powder and salt. Set aside.
  3. In a small bowl, mix together water and instant espresso coffee. Set aside.
  4. In a mixing bowl with paddle attachment, mix together eggs, milk, yogurt and pure vanilla extract until well combined. Add half of the flour mixture for a minute, then add the remaining mixture and mix until just combined. Stir in the espresso water.
  5. Pour the batter into two cake pans. Bake for about 30-35 minutes, or until inserted toothpick comes out clean. Cool on wire racks for 10 minutes. Then remove the cakes from the pan and cool completely.
  6. Meanwhile, let’s prepare the chocolate mousse filling. In a small bowl, dissolve cocoa powder and instant espresso powder in a hot water.
  7. In a double boiler, melt chocolate chips until nice and smooth. Remove from heat and cool slightly.
  8. In a mixing bowl with whisk attachment, whip the heavy cream with the sugar until hard peaks form.
  9. Stir in the cocoa mixture and Nutella into the melted chocolate. Add half of the whipped cream and mix everything together with folding motion. Fold in the remaining whipped cream and mix well until no white streaks remain. Refrigerate until the cake is cooled completely.
  10. To assemble the cake, slice the cakes horizontally into two equal layers, using a long serrated knife. If your cakes got a small hump as pictured, just slice it off.
  11. Put the first cake layer into a springform pan and spread about a little less than 1/3 of the mousse filling. Then put the next layer of the cake and spread the mousse and so on until the cake is built. Make sure to leave a bit of mousse to cover the top of the cake. A very thin layer of mousse on top is all you need. Refrigerate the cake for at least 2 hours or overnight.
  12. Once the cake is cooled, make the chocolate ganache. In a small saucepan, bring heavy cream to a simmer. Do not boil. Pour hot cream over chocolate chips, and let it sit for good 2 minutes. Then mix well until smooth for couple minutes. Stir in butter to add some shine.
  13. Remove the springform sides. Pour the ganache over the cake while the ganache is still runny, if you want smooth glaze. Or, you can let it cool and thicken a little bit to spread as a frosting.

All images and text ©Shinee D. for Sweet & Savory by Shinee

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