Name: One-Bowl SO Moist Chocolate Fudge Cake with Rich Chocolate Ganache Recipe
Prep time: 25 min
Cook time: 45 min
Total time: 5 h 10 min
Cuisine: Western
Ingredients: 840 g dark cooking chocolate; 125 g unsalted butter; 60 g glucose syrup (corn syrup); 375 g heavy cream (whipping cream); 200 g dark chocolate; 150 g unsalted butter; 90 g vegetable oil; 7 g vanilla bean paste; 400 g caster sugar; 3 large eggs (55 g each, room temperature); 45 g unsweetened cocoa powder; 250 g all-purpose flour (plain flour); 1 1/2 tsp baking powder; 1/4 tsp bicarbonate of soda; 1/2 tsp salt; 300 g boiling water; 10 g instant coffee powder (optional)

Jump to Recipe· 4.1 from 8 reviews

If you have a craving for something rich, decadent, and utterly irresistible, you are going to fall head over heels for this One-Bowl SO Moist Chocolate Fudge Cake with Rich Chocolate Ganache Recipe. From the moment the aroma of melting dark chocolate fills your kitchen to the last forkful melting on your tongue, this cake delivers the perfect blend of super moist crumb and dense, fudgy texture. The silky ganache topping takes it to another level, complementing that deep chocolate flavor with a luscious, glossy finish. Whether it’s a special occasion or simply a day that needs a sweet pick-me-up, this cake will quickly become a beloved favorite in your dessert rotation.

Ingredients You’ll Need

A clear glass bowl filled with one thick and shiny layer of smooth dark chocolate mixture is seen on a white marbled surface. A white spatula is lifting some of the chocolate, showing swirls and folds in the glossy texture. The edges of the bowl have some smudges of chocolate, adding a natural feel to the image. photo taken with an iphone --ar 4:5 --v 7

Each ingredient in this recipe has been carefully chosen not only for its flavor but also for how it enhances the texture and richness of your chocolate fudge cake. These simple staples come together beautifully to create something truly indulgent.

200 g dark chocolate: Use good quality chocolate for that intense cocoa flavor and smooth texture.
150 g unsalted butter: Adds richness and moisture without overpowering the chocolate.
90 g vegetable oil: Keeps the cake incredibly moist and tender.
7 g vanilla bean paste: Intensifies flavor with natural vanilla notes.
400 g caster sugar: Provides sweetness while maintaining a tender crumb.
3 large eggs: Help bind everything together and add structure.
45 g unsweetened cocoa powder: Boosts chocolate intensity and deepens color.
250 g all-purpose flour: The basic structure of your cake, sifted for lightness.
1 1/2 tsp baking powder: Gives a gentle lift without drying the cake.
1/4 tsp bicarbonate of soda: Helps balance acidity and aids in rise.
1/2 tsp salt: Enhances all the chocolate flavors.
300 g boiling water: Unlocks cocoa flavor and ensures a moist batter.
10 g instant coffee powder (optional): Enhances the chocolate’s depth without a coffee taste.
840 g dark cooking chocolate (for ganache): Essential for that luxurious, rich finish.
125 g unsalted butter (for ganache): Adds creaminess and shine.
60 g glucose syrup: Prevents the ganache from crystallizing, making it silky smooth.
375 g heavy cream: Creates the luscious texture of the ganache that melts in your mouth.

How to Make One-Bowl SO Moist Chocolate Fudge Cake with Rich Chocolate Ganache Recipe

Step 1: Prepare the Chocolate Ganache

Start by melting the dark chocolate, butter, cream, and glucose syrup together for the ganache. You can microwave this mixture in short bursts, stirring between each until everything is silky smooth. Alternatively, a gentle double boiler method works wonderfully to avoid overheating. Once melted, cover directly with plastic wrap so a skin does not form and leave at room temperature for 3 to 4 hours until it sets slightly – firm but still soft enough to spread.

Step 2: Preheat and Prepare Cake Pans

Preheat your oven to 150°C (300°F) with a fan or 170°C (340°F) without. Grease two 20cm (8-inch) cake tins and line the bottoms with baking paper. This step ensures your cake layers come out perfectly without sticking, making assembly a breeze.

Step 3: Melt Chocolate and Combine Wet Ingredients

Melt the 200 grams of dark chocolate and 150 grams of unsalted butter together, using your preferred method. Once melted and smooth, stir in the vegetable oil, vanilla bean paste, and caster sugar. Then add in the eggs one by one, whisking each until well combined. This creates a decadent chocolate base that will make your cake incredibly moist.

Step 4: Add Dry Ingredients

Sift together the flour, cocoa powder, baking powder, bicarbonate of soda, and salt over your chocolate mixture. Carefully fold everything with a spatula, making sure no dry ingredients remain visible. This gentle mixing keeps the crumb tender and prevents overworking the batter.

Step 5: Incorporate Boiling Water and Coffee

Mix the instant coffee powder into the boiling water, then add this hot liquid to the batter. Whisk thoroughly. The boiling water helps intensify the cocoa flavor and creates that famously moist, fudgy texture you are aiming for.

Step 6: Bake the Cake

Divide the batter evenly between your prepared pans and place them on the middle oven rack. Bake 40 to 45 minutes until a toothpick inserted in the center comes out clean. Allow the cakes to cool in the pans for 20 minutes before transferring them to a wire rack to cool completely.

Step 7: Assemble and Frost with Ganache

Once your cake layers are cool, soften the ganache slightly if needed by microwaving for 10 seconds and stirring until spreadable. Place the first cake layer on your serving dish, spread a generous 1/4 of the ganache on top, then add the second layer. Cover the entire cake with the remaining ganache. For a stunning finish, pipe swirls on top using a Wilton 1M piping tip, creating elegant waves of chocolate that will wow anyone who sees it.

How to Serve One-Bowl SO Moist Chocolate Fudge Cake with Rich Chocolate Ganache Recipe

A slice of dark chocolate cake with two thick layers, each layer has rich, moist chocolate sponge cake separated by smooth, thick chocolate frosting. The top is covered with thick glossy chocolate icing that flows down the sides. On the side, there are three swirled dollops of dark chocolate frosting. The slice is on a white plate with chocolate crumbs and smudges, and a golden fork lies next to the cake. The background is a white marbled texture. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Fresh berries like raspberries or strawberries add a perfect tart contrast to the sweet richness of this chocolate masterpiece. A sprinkle of edible gold dust or chocolate shavings can elevate the presentation, making each slice look as spectacular as it tastes.

Side Dishes

Serve alongside lightly sweetened whipped cream or a scoop of vanilla bean ice cream for an indulgent pairing. A hot cup of bold coffee or creamy latte also complements the deep chocolate flavors beautifully, balancing sweetness and bitterness.

Creative Ways to Present

Cut this cake into neat squares for a casual gathering or layer in small individual glass jars for a charming dessert display. Trying drizzling a bit of caramel or a sprinkle of sea salt atop the ganache for a modern twist that dances on the palate.

Make Ahead and Storage

Storing Leftovers

This cake keeps beautifully at room temperature for up to two days when covered, preserving the ganache’s glossy finish. For longer storage, keep it tightly wrapped in the fridge, which will help the cake stay moist and fresh for up to a week.

Freezing

You can freeze both the cake layers and ganache separately for up to three months. Wrap the layers well in plastic wrap and foil to prevent freezer burn. Thaw overnight in the fridge before assembling to maintain that perfect moistness.

Reheating

Warm slices briefly in the microwave for about 10 seconds to soften the ganache before serving. This small touch revitalizes its creamy texture and brings back that freshly-made appeal.

FAQs

Can I use regular cocoa powder instead of unsweetened?

It’s best to stick to unsweetened cocoa powder here, as it provides the rich chocolate depth without adding extra sweetness that could throw off the balance. Dutch-processed cocoa is fine if you prefer, but adjust acidity with bicarbonate of soda accordingly.

Why add coffee to a chocolate cake?

Instant coffee powder enhances the chocolate flavor’s richness without adding a noticeable coffee taste. It gives your cake a deeper, more complex flavor profile that truly awakens your palate.

Is it necessary to use glucose syrup in the ganache?

Glucose syrup prevents the ganache from crystallizing, ensuring a smooth, glossy finish that spreads easily. If you don’t have it, corn syrup can be a substitute, but skipping it may affect texture slightly.

How do I know when the cake is done baking?

Use a toothpick or skewer inserted into the center; if it comes out clean or with moist crumbs attached, the cake is ready. Don’t overbake or it can dry out, so keep a close eye from the 40-minute mark onward.

Can I make this cake vegan or gluten free?

This recipe relies on eggs and wheat flour for structure, so vegan or gluten-free versions would require significant substitutions. However, there are similar recipes tailored for those diets that maintain moisture and texture.

Final Thoughts

If you want to impress your friends or just treat yourself, the One-Bowl SO Moist Chocolate Fudge Cake with Rich Chocolate Ganache Recipe is a game-changer in chocolate baking. It’s deceptively simple with ingredients that deliver on every level of flavor and texture. Trust me, once you try this cake, it will be the one you reach for again and again when only pure chocolate bliss will do.