Chocolate Brownie Cake – To Die For!

Chocolate Brownie Cake that is indulgent and rich, with layers of vanilla mascarpone buttercream, coconut walnut custard and chocolate ganache.

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Chocolate Brownie Cake that is indulgent and rich, with layers of vanilla mascarpone buttercream, coconut walnut custard and chocolate ganache.Chocolate Brownie Cake is what my chocolate dreams are made of. This cake is an ode to one of my favorite desserts which is the German Chocolate Cake, but this Chocolate Brownie Cake is even more indulgent and rich. Layers of rich, chocolaty brownie are topped with a creamy and luxurious mascarpone cream and coconut walnut custard. Every single bite is an explosion of flavors and textures! This cake is the ULTIMATE dessert!

Chocolate Brownie Cake that is indulgent and rich, with layers of vanilla mascarpone buttercream, coconut walnut custard and chocolate ganache.Here are a few more Chocolate Desserts that I obsess over:

Chocolate Brownie Cake that is indulgent and rich, with layers of vanilla mascarpone buttercream, coconut walnut custard and chocolate ganache.Tricks and Tips for perfect Chocolate Brownie Cake:

  • Use high quality chocolate and very high quality cocoa powder – when you make chocolate desserts, and you want the chocolate to shine, it’s key to invest in high quality chocolate products as this is how your dessert will taste
  • Don’t skip the salt – you see how in many desserts it says to add a pinch of salt, same in this one, and while you may skip it in other recipes, you definitely want to add it here, as the salt will enhance the chocolate flavor
  • Ingredients should be at room temperature – for that perfect soft and moist crumb make sure your all ingredients are at room temperature
  • You can control the sweetness level by using semi sweet or bittersweet chocolate in this recipe, but make sure you use unsweetened cocoa powder, you want a nice chocolate flavor, not more sugar in your dessert
  • Make sure you don’t over bake the layers, each oven is different but checking at the 25 minutes mark is key to see how much more they need to be kept in the oven
  • A shortcut you can take while making this cake would be to buy the pre-made brownie mix packages, that will save you some time on the layers and it will be equally delicious. You will need 2 mixes.

Chocolate Brownie Cake that is indulgent and rich, with layers of vanilla mascarpone buttercream, coconut walnut custard and chocolate ganache.Tools/Ingredients I used to make the Best Chocolate Brownie Cake:

  • 8 inch round cake pans – I have a few of these, they are of great quality and I like the size
  • Baking Chocolate Bar – I use these bars for baking all the time, they have a nice chocolate flavor and the price is affordable and work great in chocolate ganache
  • Unsweetened Cocoa Powder – I am a huge fan of dutch cocoa powder and I always have some on hand, the flavor and taste is irresistible
  • Pecans – I use them in baking recipes, part of trail mixes, I add them to cheese boards, or just snack on them, buying pecans in bulk will definitely save you some money. I didn’t use them in this recipe, but you can substitute the walnuts with pecans if you prefer the latest more.
  • Sweetened Coconut Flakes – found also in the baking section of any grocery store, soft and sweetened coconut flakes will add such a nice texture and flavor to this recipe
  • Walnuts – I am a huge fab of walnut and use them in trail mixes and desserts
  • Piping Bags – I like using disposable piping bags, I really don’t like the idea of cleaning another item after I make a cake and frosting
  • Piping Tips Set – this is a great set at a very good price
4.6 from 5 reviews
Homemade Chocolate Brownie Cake with Vanilla Mascarpone Butter Cream
 
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Chocolate Brownie Cake that is indulgent and rich, with layers of vanilla mascarpone buttercream, coconut walnut custard and chocolate ganache.
Author:
Recipe type: Cake
Cuisine: American
Serves: 16 slices
Ingredients
  • For the Brownie Layers:
  • 8 large eggs
  • 3 cups sugar
  • 16 ounces /4 sticks melted butter / 450 grams
  • 1½ cup cocoa, sifted
  • 1 teaspoon vanilla extract
  • 1¼ cup flour, sifted
  • ½ teaspoon kosher salt
  • 1 teaspoon baking powder
  • For the Coconut Filling:
  • 1 cup walnuts, measure then finely grind in the food processor
  • 1½ cup unsweetened or sweetened coconut flakes
  • 1 cup heavy cream
  • 1 cup sugar
  • 3 eggs yolk
  • 5 tablespoons unsalted butter, room temperature
  • For the Vanilla Buttercream:
  • 3 sticks of butter, softened
  • 8 oz mascarpone cheese, chilled
  • 2½ cups powdered sugar
  • 1 vanilla bean
  • pinch of salt
  • For the Chocolate Ganache:
  • 8 ounces semisweet chocolate, chopped
  • 2 tablespoons light corn syrup
  • 1 cup heavy cream
Instructions
  1. Preheat oven to 350°F.
  2. Spray with baking spray or grease with butter the bottom of 3 8inch round pans, place parchment paper on the bottom and spray with baking spray again.
  3. In the bowl of an electric mixer, whisk together melted butter and sugar until smooth. Add vanilla extract and each egg one at a time on low speed and whisk until well combined.
  4. Using a large rubber spatula, or with the mixer on low speed, gently stir in flour, cocoa, baking powder and salt.
  5. Spread batter equally into the pans and bake for 25-30 minutes until set.
  6. Remove from oven and let cool completely into the pans before assembling the cake.
  7. Run a knife thru the sides of the pans to release the brownie layers. Carefully, cover one pan with a cake lifter, and flip the brownie layer onto the cake lifter. Place on the counter and repeat with the remaining brownie payers.
  8. For the Coconut Filling:
  9. Place butter, walnuts and coconut in a large bowl and set aside.
  10. In a medium sauce pan, on low/medium heat, stir together the heavy cream, sugar and egg yolks until the mixture begins to thicken and coats the back of a spoon (180 degrees F.). Pour the hot custard immediately onto the walnut-coconut mixture and stir until the butter is melted. Cool completely to room temperature before topping the brownie layers.
  11. For the Vanilla Mascarpone Buttercream:
  12. Place softened butter and mascarpone into the bowl of an electric stand mixer that has been fitted with the wire attachment. Turn the mixer on a medium setting and cream until smooth and combined, 2 - 3 minutes.
  13. Add sugar, ½ a cup at a time. Add vanilla bean seeds and a pinch of salt and whisk until well-incorporated.
  14. If the frosting is too thick add heavy cream one tablespoon at a time until it has reached the desired consistency.
  15. For the Chocolate Ganache:
  16. Place the chocolate and corn syrup in a medium bowl. Heat the cream in a small saucepan over medium heat until it just begins to boil. Remove from heat and pour over the chocolate. Let stand one minute, then stir until smooth. Cool to room temperature.
  17. Assemble the Cake:
  18. Using a cake lifter, place first cake layer on a cake plate.
  19. Top with a half of the coconut walnut filling, spread it evenly. Top the coconut mixture with ⅓ of the frosting, also spread evenly. Repeat the process with the second brownie cake layer. Third (top) layer, is covered in frosting only, no coconut mixture.
  20. Pour the chocolate ganache on top of the cake, distribute evenly and also ice the sides of the cake while the ganache is dripping down.
  21. Decorate with frosting if you have any remaining and chocolate sprinkles.
  22. Chill the cake for at least 2 hours before serving.

Chocolate Brownie Cake that is indulgent and rich, with layers of vanilla mascarpone buttercream, coconut walnut custard and chocolate ganache.

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