Mocha Layer Cake with Chocolate-Rum Cream Filling

This ultra-rich dessert is inspired by the classic Rigo Jancsi cake, named for the legendary Hungarian Gypsy violinist. Make it one day ahead to allow the flavors to meld.

Ready In:6hrs 18mins


Makes 16 servings

Filling and Topping
  • 4 cups whipping cream
  • 1/4 cup (1/2 stick) unsalted butter
  • 1/4 cup sugar
  • 20 ounces semisweet chocolate, finely chopped; plus 2 ounces, chopped separately
  • 1/3 cup dark rum
  • 2 teaspoons vanilla extract
  • 1/4 cup water
  • 2 tablespoons sugar
  • 2 tablespoons dark rum
  • 1 1/2 teaspoons vanilla extract
  • 3/4 teaspoon instant coffee powder
  • 2/3 cup cake flour
  • 3 tablespoons unsweetened cocoa powder
  • 1/2 teaspoon baking soda
  • 3 large eggs, separated
  • 3/4 cup sugar
  • 1/4 teaspoon cream of tartar
  • 1/4 teaspoon salt
For filling and topping:
Step 1
  1. Stir first 3 ingredients in heavy large saucepan over medium-high heat until sugar dissolves and cream comes to simmer. Remove from heat.
  2. Add 20 ounces chocolate; whisk until melted and smooth. Whisk in rum and vanilla.
  3. Transfer 1 cup warm chocolate mixture to small bowl; whisk remaining 2 ounces chocolate into mixture in bowl and set aside for topping.
  4. Cover; let stand at room temperature. Transfer remaining chocolate mixture to large bowl to use as filling; chill until cold and thick, at least 6 hours and up to 1 day.
For syrup:
Step 2
  1. Stir water and sugar in small saucepan over low heat just until sugar dissolves.
  2. Remove from heat; mix in rum.
  3. Cover and let stand up to 1 day.
For cake:
Step 3
  1. Preheat oven to 350°F.
  2. Butter 9x9x2-inch metal baking pan.
  3. Line bottom with waxed paper; butter paper.
  4. Combine vanilla and coffee powder in cup; swirl to dissolve coffee.
  5. Sift flour, cocoa, and baking soda into small bowl.
  6. Using electric mixer, beat egg yolks and 1/2 cup sugar in medium bowl until very thick and light in color, about 3 minutes.
  7. Beat in vanilla-coffee mixture. Using clean dry beaters, beat egg whites, cream of tartar, and salt in large bowl until soft peaks form.
  8. Gradually add remaining 1/4 cup sugar, beating until stiff but not dry. Fold 1/3 of whites into yolk mixture.
  9. Fold in half of flour mixture.
  10. Fold in half of remaining whites, then remaining flour mixture, then remaining whites.
  11. Transfer batter to prepared pan; gently spread to even thickness.
Step 4
  1. Bake cake until puffed and tester inserted into center comes out clean, about 18 minutes.
  2. Cool in pan on rack (cake may shrink slightly).
Step 5
  1. Cut around pan to loosen cake.
  2. Turn out onto work surface; peel off paper.
  3. Using long serrated knife, cut cake horizontally in half.
  4. Place 1 half, cut side up, on platter.
  5. Drizzle half of syrup (about 3 1/2 tablespoons) over.
  6. Using electric mixer, beat cold chocolate filling until thick and lighter in color, less than 1 minute.
  7. Spread all of filling evenly over cake layer, aligning with sides of cake (filling will be about 1 inch thick).
  8. Drizzle remaining syrup over cut side of second cake layer.
  9. Place layer, syrup side down, atop filling; press to adhere.
  10. Rewarm topping over low heat just until pourable.
  11. Pour topping onto top center of cake. Using small spatula, spread topping to edges, being careful to keep it from spilling over.
  12. Chill cake up to 1 day, covering loosely with foil or with cake dome after 2 hours.
Step 6
  1. Cut cake into 16 squares and serve.
  2. First made the filling I kept thinking that I had left something out because it was almost like chocolate milk and I was very nervous that it would not set.
  3. However when I pulled it out of the fridge the next day the filling had set very nicely.
  4. Do not overmix it, it literally does take less than a minute to become spreadable, otherwise you will have to wait for it to set again.
  5. Oh and being that the filling is so “spreadable”, I put in the freezer for about 10 minutes to set before I put the top layer on just so it would not ooze out of the sides.
  6. I would highly recommend doing this. Overall, a very nice cake that I am interested in making again.



Mocha Layer Cake with Chocolate-Rum Cream Filling


Serving Size: 1 (144) g

Servings Per Recipe: 16


Calories: 534.9

Calories from Fat 417 g/78 %Total Fat 46.4 g/71 %Saturated Fat 28.5 g142 %Cholesterol 128.8 mg/42 %Sodium 121.7 mg/5 %Total Carbohydrate 32.6 g/10 %Dietary Fiber 6.9 g/27 %Sugars 14.7 g/58 %Protein 8.1 g 16 %

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