Today I am going to share with you a delicious Hungarian Decadent Chocolate Cake recipe. Maybe you have heard of it. This is a recipe inspired by the classic Rigó Jancsi cake, named after the legendary Hungarian Gypsy violinist. If you have never had this cake before, you do not know what you are missing. For the chocolate lovers and not only, this cake is a must try. Once you have had it, this recipe will become one of the family treasures. At least, this is what happened in our house and I am confident that it will happen in yours as well.
Moist and delicious, with a hint of rum flavor and coffee, (flavors that are so traditional for Eastern Europe) the cake has a decadent layer of chocolate mousse and a glaze that makes the cake really handsome and presentable.
This is an elegant dessert that resembles the rich decadent life of the 19th century in the Austro-Hungarian Empire. Before you start making this recipe, please read the instructions carefully. It is not a difficult dessert to make, but it has some things that you need to pay attention to.
For example, the cake batter has a little bit of baking soda in the mixture, but the air incorporated in the egg whites will help the cake rise beautifully, so make sure you beat the eggs really well, stiff but not dry.
You will also need a 9×9″ cake pan.
Remember: After you make the chocolate mousse, you will need to set aside 1 cup of it for the final glaze. Don’t forget about it. It happened to me.
Now, let’s make the cake and enjoy it!
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- Ingredients for the Chocolate Mousse and Topping
- 4 cups heavy cream
- ¼ cup unsalted butter ½ stick
- ¼ cup sugar
- 20 oz semisweet chocolate finely chopped
- Plus 2 oz chopped chocolate separately will use it for the topping
- ⅓ cup dark rum
- 2 teaspoons vanilla extract
- Ingredients for the Syrup:
- ¼ cup water
- 2 tablespoons granulated sugar
- 2 tablespoons dark rum
- Ingredients for the Cake:
- 1½ tsp vanilla extract
- ¾ teaspoons instant coffee powder
- ⅔ cup all-purpose flour
- 3 tablespoons unsweetened cocoa powder
- ½ teaspoon baking soda
- 3 large eggs separated
- ¾ cup granulated sugar
- ¼ tsp salt
- How to make the Chocolate Mousse:
- Stir the heavy cream, butter, and sugar together in a saucepan.
- Place the saucepan over medium heat and heat it up until the sugar dissolves and the heavy cream comes to a simmer.
- Remove from heat.
- Add 20 oz of chocolate. Whisk until melted and smooth.
- Whisk in rum and vanilla.
- Transfer one cup of the warm mixture to a small bowl and add the 2 oz chocolate to it. This will be the topping. Mix until smooth. Set aside.
- Transfer the rest of the chocolate mixture into a larger bowl to use as filling.
- Chill until cold and thick, at least 6 hours.
- How to make the Syrup: (It will be used to moisturize the cake)
- Bring to a boil water and sugar. Remove and let cool. Mix in the rum.
- How to make the Cake:
- Preheat oven to 350F.
- Line bottom of a 9x9" pan with parchment paper and then butter the paper.
- Combine vanilla and coffee powder in a cup and mix to dissolve the coffee.
- Sift flour, cocoa, and baking soda together into a bowl.
- Using an electrical mixer, beat the egg yolks and ½ cup sugar in medium bowl until they get very thick and light in color.
- Beat in the vanilla-coffee mixture.
- Use clean dry beaters to beat egg whites and salt until soft peaks form in another bowl.
- Add remaining ¼ cup sugar, beating until stiff but not dry.
- Fold ½ of egg whites into yolk mixture. Fold in half of flour mixture. Fold the remaining whites, then remaining flour mixture.
- Transfer batter to prepared pan and spread gently to an even thickness.
- Bake cake for about 18 minutes until it puffs up and a toothpick inserted into the center comes out clean.
- Cool in pan on rack. It might shrink a little bit.
- How to put the cake together:
- Cut around the pan to loosen up the cake.
- Turn out onto the work surface and peel off parchment paper.
- Using a long serrated knife, cut cake horizontally in half.
- Place 1 half, cut side up, on a platter.
- Use a pastry brush to brush syrup over the cake surface.
- Using an electric mixer, beat cold chocolate mousse until thick and lighter in color, less than 1 minute.
- Spread all filling evenly over the cake layer, aligning with sides of cake.
- Brush with syrup the other half of cake, the cut side one.
- Place layer, syrup side down, on top of the chocolate mousse.
- Rewarm topping over low heat until pourable.
- Pour topping onto top center of cake.
- Use a spatula and spread topping to edges, trying to not spill over.
- Chill cake overnight , covering loosely with foil or with cake dome after 2 hours.
- Keep refrigerated but serve it at room temperature.