If you’re a fan of rich, indulgent desserts with deep flavors and a touch of elegance, the Mocha Layer Cake with Chocolate-Rum Cream Filling is the perfect treat for you. This cake combines the bold taste of coffee with the decadence of chocolate and a subtle kick of rum, making it a crowd-pleaser for special occasions or a luxury dessert to enjoy anytime.

In this article, we’ll guide you through how to make the best mocha layer cake with a silky-smooth chocolate-rum cream filling. This recipe delivers the perfect balance of moist cake, creamy filling, and a delicious flavor profile that will leave everyone asking for seconds.
Ingredients for Mocha Layer Cake with Chocolate-Rum Cream Filling
To make this mocha layer cake, you’ll need the following ingredients:
For the Mocha Cake:
- 2 cups all-purpose flour – Provides the base for the cake.
- 2 cups granulated sugar – For sweetness and moisture.
- 1 cup unsweetened cocoa powder – Adds richness and chocolate flavor.
- 1 1/2 teaspoons baking soda – For leavening.
- 1 1/2 teaspoons baking powder – To help the cake rise.
- 1 teaspoon salt – Enhances the flavors.
- 2 large eggs – For structure and moisture.
- 1 cup brewed coffee, cooled – Adds the mocha flavor.
- 1 cup buttermilk – For tenderness and moisture.
- 1/2 cup vegetable oil – Provides richness and moisture.
- 2 teaspoons vanilla extract – Adds warmth to the flavor.
For the Chocolate-Rum Cream Filling:
- 1 cup heavy whipping cream – Forms the creamy base.
- 8 oz semi-sweet chocolate, chopped – For a rich, smooth chocolate flavor.
- 2 tablespoons dark rum – Enhances the chocolate with a subtle warmth.
- 2 tablespoons powdered sugar – Adds sweetness and lightens the texture.
- 1 teaspoon vanilla extract – Balances the flavors.
Step-by-Step Instructions for the Best Mocha Layer Cake with Chocolate-Rum Cream Filling
Creating the perfect mocha layer cake with chocolate-rum cream filling is easier than it sounds. Follow these steps for a cake that’s sure to impress:
1. Preheat the Oven and Prepare the Cake Pans:
Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans or line them with parchment paper to prevent sticking.
2. Make the Mocha Cake Batter:
In a large mixing bowl, combine the flour, sugar, cocoa powder, baking soda, baking powder, and salt. Stir to combine. Add the eggs, brewed coffee, buttermilk, vegetable oil, and vanilla extract. Beat on medium speed for 2-3 minutes until the batter is smooth and well-combined.
3. Bake the Mocha Cake:
Divide the cake batter evenly between the two prepared cake pans. Bake for 30-35 minutes, or until a toothpick inserted into the center comes out clean. Allow the cakes to cool in the pans for 10 minutes before transferring them to a wire rack to cool completely.
4. Prepare the Chocolate-Rum Cream Filling:
In a medium saucepan, heat the heavy cream over medium heat until it begins to simmer (do not let it boil). Remove from heat and stir in the chopped semi-sweet chocolate. Let it sit for a minute to melt the chocolate, then whisk until the mixture is smooth and glossy.
Stir in the dark rum and powdered sugar. Allow the mixture to cool slightly. Then, cover and refrigerate it for about 1 hour, or until it thickens to a spreadable consistency.
5. Assemble the Mocha Layer Cake:
Once the cake layers have completely cooled, use a serrated knife to level the tops if necessary. Place the first layer of cake on a serving platter or cake stand. Spread a generous layer of the chocolate-rum cream filling over the cake.
Place the second cake layer on top and spread the remaining filling evenly across the top and sides of the cake.
6. Decorate and Serve:
If desired, garnish the top of the cake with shaved chocolate, chocolate chips, or a dusting of cocoa powder for added elegance. Slice and serve this indulgent dessert chilled or at room temperature.
Helpful Tips for the Best Mocha Layer Cake
- Coffee Substitution: If you prefer a less intense coffee flavor, you can substitute brewed coffee with decaffeinated coffee or use instant coffee mixed with hot water.
- Cake Texture: For a lighter cake texture, sift your dry ingredients (flour, cocoa powder, baking soda, and baking powder) to ensure no lumps and even distribution in the batter.
- Chocolate-Rum Filling Variations: If you prefer a non-alcoholic version, you can substitute the dark rum with vanilla extract or coffee liqueur for a different flavor twist.
- Make-Ahead: The cake layers and chocolate-rum cream filling can be prepared a day ahead of time. Store the cake layers in an airtight container and the filling in the refrigerator. Assemble the cake just before serving.
- Enhance with Toppings: To add a special touch, consider topping the cake with whipped cream or a drizzle of chocolate ganache for extra indulgence.
- Personalize the Flavor: For a fun twist, you can infuse the chocolate-rum cream filling with flavors like orange zest, espresso powder, or a dash of cinnamon to enhance the mocha profile.
Why Mocha Layer Cake with Chocolate-Rum Cream Filling is Perfect for Any Occasion
This mocha layer cake with chocolate-rum cream filling is the ideal dessert for coffee lovers and chocolate enthusiasts alike. Its bold, rich flavors make it perfect for special occasions, like birthdays, anniversaries, or holiday celebrations. It’s an elegant showstopper that’s sure to impress your guests with its complex flavors and beautiful presentation.
The combination of moist mocha cake with silky chocolate and rum cream filling strikes the perfect balance of sweetness and decadence, making it the ultimate indulgence for anyone who loves gourmet desserts. Whether you’re hosting a dinner party or simply treating yourself, this cake will elevate any occasion.
Key Benefits of Mocha Layer Cake with Chocolate-Rum Cream Filling:
- Rich and Decadent Flavor: The mocha flavor combined with the chocolate-rum cream filling creates a luxurious, indulgent dessert.
- Perfect for Coffee Lovers: If you’re a fan of coffee, this cake is the ultimate treat, offering the rich flavors of espresso and chocolate in every bite.
- Elegant and Impressive: With its beautiful layers and smooth filling, this cake makes a stunning centerpiece for any celebration or dinner party.
- Make-Ahead Friendly: Prepare the cake layers and filling in advance to save time and assemble right before serving.
Final Thoughts: The Best Mocha Layer Cake with Chocolate-Rum Cream Filling Recipe
Mocha Layer Cake with Chocolate-Rum Cream Filling is the perfect dessert for those who love deep, bold flavors with a touch of sophistication. The mocha cake layers paired with the creamy chocolate-rum filling make for an unforgettable dessert experience.
Whether you’re celebrating a special occasion or just indulging in a well-deserved treat, this cake is sure to impress. So why wait? Try making this mocha layer cake today and experience a dessert that’s truly out of this world!