Is there anything better than a rich, moist chocolate cake that melts in your mouth? This Chocolate Fudge Cake is all about deep cocoa flavour, soft layers, and a luscious, not-too-sweet frosting that brings everything together beautifully.
Whether you’re celebrating a special occasion or just want to surprise someone you love, this cake delivers both comfort and indulgence—every bite feels like a warm hug.
A Birthday Surprise
I made this cake as a surprise for my husband’s birthday, and I have to say, being able to bake something for someone you love is such a blessing. This wasn’t just about a cake—it was a way to say I love you in the form of flour, sugar, chocolate, and care. And honestly, nothing beats that.
He L-O-V-E-S chocolate. Honestly, I couldn’t add more chocolate onto this cake. Every component is full of chocolate goodness,
- 3 layers rich and indulgent chocolate cake
- silky smooth chocolate mascarpone frosting
- chocolate ganache drip
- assorted chocolate decoration
From his honest review, it is flavourful but NOT sweet at all. This is a perfect cake for all the chocolate lovers!
What Makes this Cake Stand Out
- Incredibly moist layers – thanks to buttermilk and oil in the batter
- Balanced sweetness – not overly sugary, just the right amount
- Velvety mascarpone cocoa frosting – smooth, creamy, and rich
- Optional ganache drip – for that glossy finish and extra indulgence
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Ingredients in this Chocolate Fudge Cake Recipe
At a glance: Here is a quick snapshot of what ingredients are in this recipe. Please see the recipe card below for specific quantities.
How to Make Chocolate Fudge Cake
Here are some key tips for making the perfect chocolate fudge cake ! Be sure to scroll down to the printable recipe card for the ingredient amounts and watch my step-by-step video tutorial for a complete guide to learn how to make this chocolate fudge cake.
- Dissolve the instant coffee granules into the hot water.
- In a saucepan, combine butter, chopped chocolate and hot coffee.
- Heat gently over low heat, stirring constantly until melted. Set aside to cool slightly (must not still be hot).
- In a large mixing bowl, add eggs and buttermilk. Whisk until well combined.
- Add vegetable oil to the mixture.
- Mix until fully emulsified.
- Slowly pour in the cooled chocolate mixture while stirring.
- Mix until smooth and well incorporated.
- Add vanilla extract.
- Mix again until well combined.
- Add light brown sugar and caster sugar.
- Mix well.
- Place a sieve over the mixing bowl. Add the flour, cocoa powder, baking powder, baking soda, and salt.
- Sift in all the dry ingredients.
- Use a spatula to help press through any lumps.
- Gently mix until no dry bits remain using a spatula.
- The batter may look lumpy at this point.
- Switch to a whisk and stir.
- Keep stirring until the batter turns silky smooth.
- Weigh the batter using a kitchen scale. The total weight is 1330 g.
- Divide the batter evenly between three 7-inch lined round pans (use scales to achieve even layers).
- Smooth the tops with an offset spatula.
- Bake in a preheated oven at 170°C fan for 20–25 minutes or until a skewer comes out clean. Make sure to check each cake.
- Once done, let the cakes cool in the pan for 10 minutes.
- Remove the cakes from the pans.
- Transfer to a wire rack to cool completely.
- Use a serrated knife to trim the domed tops off each cake layer for a professional finish (optional). Keep the trimmed domes in an airtight container for snack. They are delicious.
- The cake layers are ready to decorate! Or you can wrap them tightly in cling film and pop them in the fridge if you’re decorating soon — or into the freezer if you’re prepping ahead. Just make sure to bring them back to room temperature before frosting!
Tips for Making the BEST Chocolate Fudge Cake
- Use high-quality cocoa powder -The cocoa is the star here, so choose a good-quality Dutch-processed cocoa powder. It gives the cake a deep, rich chocolate flavour and a lovely dark colour.
- Add instant coffee or espresso powder – Just a teaspoon of instant coffee brings out the chocolate notes even more. You won’t taste the coffee—it simply deepens the chocolate flavour.
- Don’t over mix your batter – After adding the dry ingredients, mix just until combined. Over mixing can make the cake dense or rubbery. Use a spatula to gently fold if needed.
- Use buttermilk and oil for extra moisture – Buttermilk adds a subtle tang and helps tenderise the crumb, while oil keeps the cake moist for days—even straight from the fridge. It’s a great combo for rich, soft, and fudegy cake layers that don’t dry out like butter-based ones can.
- Weigh the batter for even layers – If you’re baking in multiple tins, weighing the batter ensures evenly sized cake layers that bake at the same time and stack up neatly.
- Cool completely before frosting – Warm cake + frosting = disaster. Make sure your cake is completely cooled before assembling to avoid melting or sliding layers.
How to Serve this Chocolate Fudge Cake
- Let it come to room temperature – If the cake has been chilled, take it out of the fridge 30–60 minutes before serving. This allows the frosting to soften slightly and the flavours to shine.
- Use a hot knife for clean slices – Run a knife under hot water, wipe it dry, then slice. Clean the knife between cuts for neat, bakery-style slices—especially helpful with rich, sticky frosting or ganache.
- Add a little garnish (optional) – Sprinkle with shaved chocolate, berries, or a dusting of cocoa powder for a simple but elegant touch.
- Pair with something creamy – Serve with a dollop of whipped cream, a scoop of vanilla ice cream, or even crème fraîche to balance the richness.
- Perfect for celebrations or a cozy treat – Whether it’s a birthday, anniversary, or just a “you deserve cake” kind of day, this chocolate fudge cake is a crowd-pleaser that feels extra special.
How to Store this Chocolate Fudge Cake
Refrigeration is the safest option:
- Cover the cake with cling film or place it in an airtight container.
- Before serving, let it sit at room temperature for 30–60 minutes so the texture softens and the flavours come through.
You can freeze the plain cakes without frosting. I don’t recommend freezing the decorated cake. The texture and flavour — especially with mascarpone or ganache — can change after thawing, and it just isn’t the same.
Frequently Asked Questions
Yes! You can bake the cake layers a day or two in advance. Wrap them tightly in cling film and store them at room temperature or refrigerate. The frosting and ganache can also be made ahead and kept in the fridge—just give them a good stir or re-whip before using.
Absolutely. Wrap the cooled cake layers individually in plastic wrap and freeze for up to 2 months. Thaw in the fridge overnight before frosting. Fully assembled and frosted cake can also be frozen—just freeze until firm, wrap well, and thaw in the fridge before serving.
Use unsweetened natural or Dutch-processed cocoa powder. Dutch-processed gives a richer, darker colour and flavour, but both work well in this recipe.
I recommend using chocolate around 50–52% cocoa content for the ganache. If you go much darker, it may be too thick or bitter. If using higher cocoa content, you might need to adjust the cream-to-chocolate ratio.
Mascarpone gives the frosting a creamy, smooth texture. You can substitute with full-fat cream cheese, but note the flavour will be slightly tangier and the texture firmer.
This cake is rich in chocolate flavour but not overly sweet. It uses a mix of light brown and caster sugar to balance flavour without overpowering sweetness.
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Tried this Recipe
Let me know if you give this recipe a go – I absolutely love seeing your creations! Tag me on Instagram @bakabeecom and be sure to leave me a comment / ⭐️⭐️⭐️⭐️⭐️ rating below so I can cheer you on!
Chocolate Fudge Cake
- Prep Time: 1 hour
- Chill Time: 3 hours
- Cook Time: 22 mins
- Total Time: 4 hours 22 mins
- Yield: 1 x 7- inch 3-layered cake 1x
- Category: cake, desserts, afternoon tea
- Method: Bake
- Cuisine: Western
Description
Rich, moist, and ultra-fudgy chocolate cake layered with chocolate mascarpone frosting, finished with ganache drip and topped with assorted chocolate bars and pretzels — a true chocolate lover’s fantasy!
Ingredients
For the Cake
- 190 g unsalted butter
- 200 g dark chocolate (70% cocoa)
- 120 ml water (hot)
- 2 tbsp instant coffee granules
- 3 eggs
- 115 ml buttermilk
- 25 ml vegetable oil
- 150 g caster sugar
- 100 g light brown sugar
- 240 g all purpose flour
- 50 g cocoa powder
- 1/2 tsp baking powder
- 1/2 tsp bicarbonate of soda
- 1/4 tsp salt
- 1 1/2 tsp vanilla extract
For the Chocolate Mascarpone Frosting
- 375 g mascarpone cheese – chilled
- 75 g icing sugar
- 75 g cocoa powder
- 1 1/2 tsp vanilla extract
- 360 ml double cream – chilled
- 1/3 tsp salt
For the Ganache
- 80 g chocolate (51% cocoa)
- 100 ml double cream
- 6 g unsalted butter
For the Decoration
- Assorted chocolate selection of your choice – be generously indulgent!
Instructions
Make the Cake Batter
- Dissolve the instant coffee granules into the hot water.
- In a saucepan, combine butter, chopped chocolate and hot coffee. Heat gently over low heat, stirring constantly until melted. Set aside to cool slightly (must not still be hot).
- In a large mixing bowl, whisk together eggs and buttermilk until well combined. Add vegetable oil and mix until fully emulsified.
- Slowly pour in the cooled chocolate mixture while stirring.
- Add vanilla extract and mix combined.
- Add light brown sugar and caster sugar. Mix well.
- Sift in the flour, cocoa powder, baking powder, baking soda, and salt. Use a spatula to help press through any lumps.
- Gently mix until no dry bits remain using a spatula. The batter may look lumpy at this point so now switch to a whisk and stir until silky smooth.
- Divide the batter evenly between three 7-inch lined round pans (use scales to achieve even layers). Smooth the tops with an offset spatula.
- Bake in a preheated oven at 170°C fan for 20–25 minutes or until a skewer comes out clean.
- Let cakes cool in the pan for 10 minutes, then transfer to a wire rack to cool completely.
Make the Chocolate Mascarpone Frosting
- Stir vanilla extract into the double cream and set aside.
- In a mixing bowl, sift icing sugar, cocoa powder, and salt. Stir to combine.
- In another mixing bowl, add chilled mascarpone cheese and add in the cocoa mixture. Gently mix with a spatula to avoid powder flying.
- Switch to a mixer on medium-low speed to blend until smooth.
- Add half the cream, mix until incorporated. Add the rest and continue mixing until the frosting is smooth, slightly thick, and spreadable — like soft ice cream.
- Cover and chill until ready to use.
Make the Ganache
- Finely chop the chocolate (smaller pieces melt more evenly).
- Pour double cream over the chocolate in a heat-safe bowl. Microwave for 20 seconds. Stir well.
- Microwave in 5-second bursts, stirring well after each, until the chocolate is fully melted. For your reference, mine took 6 bursts.
- Stir in butter until fully melted for extra shine (optional).
Trim & Level the Cake Layers
- Use a serrated knife to trim the domed tops off each cake layer for a professional finish (optional).
- Keep the trimmed domes in an airtight container. They make a delicious snack.
Assemble & Decorate
- Place the first cake layer on an acrylic or cake board.
- Add a generous layer of chocolate mascarpone frosting. Smooth it out to an even layer. Repeat with the second layer.
- Stack the third layer on top, the flat bottom side facing up to get the perfect level surface.
- Apply a thin crumb coat to seal in crumbs. Chill the cake for 60 minutes to set.
- Frost the entire cake with the remaining mascarpone frosting. Chill for 60 minutes to set.
- Spoon the ganache carefully around the edges to create the desired drip effect and then infill the top and smooth finish.
- Decorate with assorted chocolate bars and chocolate pretzels.
Equipment
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- For best results with frosting, use full-fat mascarpone cheese.
- Weigh the batter to ensure even cake layers.
- Chill the frosting before use for easier spreading.
- Adjust ganache consistency by tweaking cream-to-chocolate ratio if needed. The chocolate should be no darker than 52% (from my experience with higher percentages that don’t work as well)
Nutrition
- Serving Size: 1 slice
- Calories: 370kcal
- Sugar: 13g
- Sodium: 156mg
- Fat: 24g
- Saturated Fat: 13g
- Trans Fat: 1g
- Carbohydrates: 47g
- Fiber: 4g
- Protein: 6g
- Cholesterol: 77mg
Final Thoughts
This chocolate fudge cake is rich, indulgent, and deeply satisfying — but more than anything, it’s made to share. If you have someone in your life you’d love to bake for, go ahead and give this recipe a try. I’m sure they’ll be touched … and very impressed!
Thanks for joining me in the kitchen today. Hope you’ll love this! Enjoy and keep baking! 💛
