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If you’re searching for a show-stopping dessert that combines richness, texture, and a little bit of Italian-inspired magic, then the Decadent Chocolate Tiramisu Fudge Cake Recipe is your new best friend in the kitchen. This luscious cake layers deep chocolate fudge with the subtle coffee notes reminiscent of classic tiramisu, all wrapped up in a creamy mascarpone and Nutella frosting that will have everyone begging for seconds. It’s the perfect treat for any celebration or whenever you want to indulge in a seriously satisfying dessert that delivers on every dreamy bite.

Ingredients You’ll Need
This recipe calls for surprisingly straightforward ingredients that each play a crucial role in building layers of flavor and richness. From the deep cocoa powder and dark chocolate that create the fudgy base, to the mascarpone and double cream which give the cake its velvety, tiramisu-inspired finish, every component is essential to this cake’s success.
- 200 g Dark Chocolate (No more than 60% cocoa): This provides both melt-in-your-mouth texture and a rich cocoa depth without being too bitter.
- 100 g Unsalted Butter: Adds moisture and a creamy undertone, balancing the chocolate’s intensity.
- 200 g Caster Sugar: Sweetens the batter evenly, dissolving effortlessly for a smooth crumb.
- 50 ml Vegetable Oil: Keeps the cake ultra moist and tender without affecting flavor.
- 2 medium Eggs: Bind everything together while contributing to the cake’s airy texture.
- 1 tsp Vanilla Extract: Enhances the chocolate and coffee flavors with subtle aroma notes.
- 50 g Cocoa Powder: Intensifies the chocolate flavor and colors the cake a dark, inviting shade.
- 150 g Plain/All Purpose Flour: Provides structure without weighing down the cake.
- 1 tsp Bicarbonate of Soda: Reacts with the acidic ingredients to help the cake rise perfectly.
- 1 tsp Baking Powder: Ensures a light, fluffy crumb in combination with the soda.
- 1 pinch Salt: Balances sweetness and amplifies all the other flavors.
- 250 ml Boiling Water: Helps dissolve coffee granules and melt the cocoa for a fudgy batter.
- 2 tsp Instant Coffee Granules: Adds that iconic tiramisu espresso kick without bitterness.
- 100 g Sour Cream: Adds a tang that complements the richness of the chocolate beautifully.
- 250 g Mascarpone: The silky heart of the tiramisu-inspired frosting, bringing creaminess and slight tang.
- 300 ml Double/Heavy Cream: Whipped to soft peaks for a fluffy, luscious texture in the frosting.
- 100 g Icing/Powdered Sugar: Sweetens the frosting gently without graininess.
- 200 g Chopped Chocolate: Creates delightful crunchy pockets and decoration.
- 200 ml Heavy Cream: For melting with golden syrup to make a shiny fudge glaze.
- 2 tbsp Golden Syrup: Adds sweetness and a glossy finish to the fudge glaze.
- 200 g Nutella: Infuses the frosting with irresistible hazelnut and chocolate flavor.
How to Make Decadent Chocolate Tiramisu Fudge Cake Recipe
Step 1: Prepare the Chocolate Base
Begin by gently melting your dark chocolate and unsalted butter together until smooth and luscious. This rich combination is the very foundation of your cake’s fudgy texture, so take your time ensuring it’s perfectly melted without burning. While the chocolate mixture cools slightly, mix the boiling water with the instant coffee granules to create a bold espresso infusion that will deepen the cake’s tiramisu essence.
Step 2: Mix the Dry Ingredients
In a separate bowl, whisk together your cocoa powder, plain flour, bicarbonate of soda, baking powder, and a pinch of salt. This dry mix is what will give your cake the structure it needs, along with that signature bittersweet cocoa flavor balanced by just a hint of saltiness.
Step 3: Combine Wet Ingredients
In another bowl, beat the eggs with caster sugar until fluffy and light. Stir in the vegetable oil, vanilla extract, and sour cream for moisture and tang. Now gently fold in the cooled chocolate-butter mixture, followed by the coffee-water blend for that essential tiramisu kick.
Step 4: Bring It All Together
Gradually fold your dry ingredients into the wet, being careful not to over-mix; you want a batter that’s rich and thick but still airy. Pour the batter into a lined cake tin and bake for about 30 minutes until a skewer comes out clean but the cake remains moist.
Step 5: Make the Decadent Mascarpone Nutella Frosting
While the cake cools, whip your double cream with icing sugar until soft peaks form. In a separate bowl, blend mascarpone and Nutella until utterly smooth. Gently fold the whipped cream into the mascarpone mixture, taking care not to deflate it, creating that perfect light yet indulgent topping.
Step 6: Prepare the Glaze and Finish
Simmer the heavy cream and golden syrup together and stir in chopped chocolate until silky smooth to form the fudge glaze. Pour this shiny topping over your cooled cake and spread the mascarpone Nutella frosting on top. Sprinkle extra chopped chocolate for a pretty crunch and signature finish.
How to Serve Decadent Chocolate Tiramisu Fudge Cake Recipe

Garnishes
To elevate your Decadent Chocolate Tiramisu Fudge Cake Recipe, decorate with fresh cocoa powder dusting or a few espresso beans on top for a dramatic touch. A sprinkle of finely chopped toasted hazelnuts can add a lovely nutty crunch that complements the Nutella perfectly.
Side Dishes
Pair this cake with a small scoop of vanilla bean ice cream or a dollop of lightly sweetened whipped cream to balance the richness. A delicate espresso or cappuccino alongside also enhances the coffee notes in the cake, creating a harmonious flavor experience.
Creative Ways to Present
Serve your slices on elegant dessert plates with a drizzle of chocolate sauce or a scattering of chocolate curls. For a personalized touch at parties, consider serving individual mini cakes in ramekins layered with a dusting of cocoa or a sprig of fresh mint for color contrast.
Make Ahead and Storage
Storing Leftovers
This cake keeps beautifully in an airtight container in the fridge for up to 4 days. The flavors actually deepen as it rests, making leftovers even more addictive. Just make sure to bring slices to room temperature before enjoying for the best texture.
Freezing
You can freeze the whole cake or individual slices wrapped tightly in cling film and foil for up to 2 months. Thaw overnight in the fridge and allow to sit at room temperature before serving to preserve the moist, fudgy quality.
Reheating
Since this is a rich, fudge cake with a creamy frosting, reheating is usually not necessary and actually might compromise the texture. However, if you prefer it slightly warm, a brief 15-second zap in the microwave will soften it just enough without melting the frosting.
FAQs
Can I substitute the mascarpone with cream cheese?
You can swap mascarpone for cream cheese, but keep in mind cream cheese has a tangier and firmer texture, which may slightly alter the cake’s signature smooth and delicate frosting. Mixing in a little heavy cream with the cream cheese can mimic mascarpone’s softness.
Is it necessary to use instant coffee granules?
The instant coffee granules provide the essential tiramisu coffee flavor without adding extra liquid. You could substitute with a strong brewed espresso, but reduce other liquids slightly to maintain the cake’s consistency.
Can I make this recipe gluten-free?
Absolutely! Replace plain flour with a gluten-free all-purpose blend that includes xanthan gum. The texture might be a touch different, but the flavors will remain rich and indulgent.
How do I ensure the cake is fudgy and not dry?
The combination of oil, butter, sour cream, and precise baking time is key. Avoid overbaking by checking the cake a few minutes before the timer, and remember that a little moisture inside is what makes it decadently fudgy.
What’s the best way to serve leftovers?
Leftovers are fantastic slightly chilled or at room temperature. Serve with a dusting of cocoa or alongside a scoop of ice cream for an elevated dessert experience any day.
Final Thoughts
Trust me when I say the Decadent Chocolate Tiramisu Fudge Cake Recipe is one of those heavenly desserts you’ll want to bake again and again. It’s the perfect balance of rich chocolate fudge and creamy tiramisu flavors, wrapped in a luscious Nutella mascarpone frosting. Whether it’s a special occasion or a cozy night in, this cake will surely become a treasured favorite among your family and friends. So grab your ingredients, roll up your sleeves, and prepare to indulge in pure chocolate bliss!
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Decadent Chocolate Tiramisu Fudge Cake Recipe
- Prep Time: 30 minutes
- Cook Time: 30 minutes
- Total Time: 1 hour
- Yield: 8 slices
- Category: Dessert
- Method: Baking
- Cuisine: Italian-inspired
Description
This Decadent Chocolate Tiramisu Fudge Cake is a luscious fusion of rich chocolate layers and creamy tiramisu-inspired filling. Featuring dark chocolate, mascarpone, and a hint of coffee, this cake offers a moist, fudgy texture perfect for celebrations or indulgent treats. The combination of velvety cream and intense cocoa makes it a dessert that’s sure to delight any chocolate lover.
Ingredients
Chocolate Cake Base
- 200 g Dark Chocolate (no more than 60% cocoa)
- 100 g Unsalted Butter
- 200 g Caster Sugar
- 50 ml Vegetable Oil
- 2 medium Eggs
- 1 tsp Vanilla Extract
- 50 g Cocoa Powder
- 150 g Plain/All Purpose Flour
- 1 tsp Bicarbonate of Soda
- 1 tsp Baking Powder
- 1 pinch Salt
- 250 ml Boiling Water
- 2 tsp Instant Coffee Granules
Tiramisu Cream Filling
- 100 g Sour Cream
- 250 g Mascarpone
- 300 ml Double/Heavy Cream
- 100 g Icing/Powdered Sugar
- 200 g Chopped Chocolate
Chocolate Ganache & Decoration
- 200 ml Heavy Cream
- 2 tbsp Golden Syrup
- 200 g Nutella
Instructions
- Prepare Cake Batter: Melt the dark chocolate and unsalted butter together gently in a heatproof bowl over simmering water or in short bursts in the microwave, stirring until smooth. Set aside to cool slightly.
- Mix Dry Ingredients: In a large bowl, sift together the cocoa powder, plain/all-purpose flour, bicarbonate of soda, baking powder, and salt. Stir to combine evenly.
- Combine Wet Ingredients: In another bowl, whisk the caster sugar, vegetable oil, eggs, and vanilla extract until smooth. Slowly add the melted chocolate mixture, mixing thoroughly.
- Dissolve Coffee: Stir the instant coffee granules into the boiling water until dissolved, then gently fold this into the wet mixture.
- Make Cake Batter: Gradually fold the dry ingredients into the wet mixture until just combined; avoid overmixing to keep the cake tender.
- Bake the Cake: Preheat the oven to 180°C (350°F). Grease and line an 8-inch cake pan. Pour the batter into the pan and bake for about 30 minutes or until a toothpick inserted into the center comes out clean. Allow to cool completely on a wire rack.
- Prepare Tiramisu Cream: In a mixing bowl, beat the mascarpone and sour cream together until smooth. Whip the double/heavy cream with the icing/powdered sugar until stiff peaks form, then gently fold into the mascarpone mixture. Stir in the chopped chocolate for added texture.
- Assemble the Cake: Once the cake is cool, slice it horizontally into two even layers. Spread a generous amount of the tiramisu cream mixture over the bottom layer, then place the second layer on top. Chill in the fridge to set.
- Make Ganache: Heat the heavy cream with the golden syrup until just boiling, then pour over the Nutella in a bowl. Stir until smooth and glossy. Allow to cool slightly before pouring over the chilled cake to cover completely.
- Chill and Serve: Place the finished cake back in the fridge for at least 2 hours to allow the ganache to set and flavors to meld. Slice and serve chilled for the best fudgy, creamy experience.
Notes
- Use good quality dark chocolate with no more than 60% cocoa for optimal flavor and texture.
- Ensure the cake is completely cool before layering with cream to prevent melting.
- Instant coffee enhances the chocolate flavor but can be omitted if preferred.
- For a firmer ganache, chill it briefly before pouring over the cake.
- Store leftovers in the refrigerator and consume within 3 days for best freshness.

