recipe

Delicious Chocolate Fudge Cake Recipe

Total time: 180 mins.

Difficulty: Low

Serves: 6-8

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By Ilaria Canevara

This fudge cake is the ultimate treat for chocolate lovers. With a rich, velvety dark chocolate filling and a fluffy, moist cocoa sponge cake, every bite is pure indulgence. The combination of dark chocolate, butter, and heavy cream in the filling creates a smooth, luxurious texture, while the cocoa sponge cake is soft and airy, providing the perfect contrast.

Whether you’re celebrating a special occasion or simply treating yourself, this fudge cake will surely impress with its deep, chocolatey flavor and indulgent texture.

Why Everyone Will Love This Recipe

This fudge cake is a dessert dream come true for several reasons:

Rich and decadent: The dark chocolate filling and frosting are luxuriously creamy.
Moist and fluffy: The cocoa sponge cake is perfectly soft and light.
Ideal for special occasions: A show-stopping dessert that’s sure to wow your guests.
Perfect for chocolate lovers: Deep, rich chocolate flavor in every bite.
Make-ahead friendly: Bake the cake in advance and assemble before serving.

What Is Fudge Cake?

Fudge cake is a rich chocolate cake that typically features a dense, smooth chocolate filling, often made with butter, cream, and dark chocolate. The filling is spread between layers of a soft and fluffy sponge cake, creating a dessert that is both indulgent and balanced.

In this version, the cake has a soft cocoa sponge, which is both moist and airy, and it is complemented by a creamy, fudgy chocolate frosting made with dark chocolate, butter, and heavy cream.

Cooking Tips

When making the filling, melt the chocolate and butter together gently over medium heat. Stir frequently to avoid burning, and ensure the mixture is completely smooth before adding the rest of the ingredients.
Allow the cake to cool completely before assembling. If the cake is warm, the frosting may melt and lose its shape.
For the best texture, ensure that the butter, eggs, and buttermilk are at room temperature before mixing.
Once you add the vinegar to the baking soda, fold it into the batter quickly, as the reaction starts immediately. This helps the cake rise and become fluffy.
Mix until just combined to avoid a dense cake. Overmixing can result in a tough texture.
The cocoa powder is key to the flavor of the cake. Choose a good-quality unsweetened cocoa powder for the best taste.

Frequently Asked Questions

Can I Use Milk Instead of Buttermilk?

Yes, if you don’t have buttermilk, you can use milk with a splash of lemon juice or vinegar to mimic the acidity of buttermilk. For every cup of milk, add 1 tablespoon of lemon juice or vinegar and let it sit for a few minutes before using.

Can I Use Dark Chocolate Chips for the Filling?

Yes, you can use dark chocolate chips, but be sure to melt them slowly with the butter and cream to avoid seizing. Chopped chocolate is preferred for a smoother, more consistent texture.

Can I Make This Cake Gluten-Free?

Yes, you can substitute the all-purpose flour with a gluten-free flour blend. However, this may slightly alter the texture of the cake, so ensure that your flour blend is suitable for cakes. You might need to experiment with adding a bit more liquid if the batter seems too thick.

How Can I Make the Cake Even Richer?

To intensify the flavor of the cake, consider adding a small amount of brewed coffee or espresso powder to the batter. Coffee enhances the flavor of the chocolate without making it taste like coffee.

How Do I Know When the Cake Is Done Baking?

Check the cake at the 35-minute mark by inserting a toothpick or cake tester into the center. If it comes out clean or with just a few moist crumbs, the cake is done. If it’s still wet, bake for an additional 5 minutes and check again.

How to Store Fudge Cake

Store leftover cake in an airtight container in the refrigerator for up to 3 days. It’s best to bring the cake to room temperature before serving, as the flavors will be more pronounced.

How to Freeze Fudge Cake

For freezing, wrap the baked cake layers in plastic wrap and foil, and freeze for up to 1 month. To thaw, leave the cake layers at room temperature for a few hours before frosting and serving.

Ingredients

for the filling

butter

210g

dark chocolate

460g

salt

a pinch

vanilla extract

powdered sugar

160g (1 1/4 cups)

heavy cream

360ml (1 1/2 cups)

for the cocoa sponge cake

cocoa powder

80g (2/3 cup)

Instant Coffee

hot water

130ml (1/2 cup)

sugar

190g (1 cup)

light brown sugar

190g (1 cup)

vegetable oil

160ml (3/4 cup)

Softened butter

190g

eggs

Buttermilk

190ml (3/4 cup)

all-purpose flour

310g (2 1/2 cups)

Baking soda

White vinegar

15g (1 tbsp)

How to Make Chocolate Fudge Cake

Step 1

To make fudge cake at home, first prepare the ganache: put the butter in cubes, the chopped dark chocolate, a pinch of salt and the vanilla extract in a thick-bottomed saucepan.

Step 2

Add the icing sugar and pour in the fresh cream.

Step 3

Let it cook on a medium flame, stirring continuously with a wooden spoon, until you obtain a smooth and velvety cream; then remove from heat and set aside.

Step 4

Prepare the dough: pour the bitter cocoa powder, the instant coffee and the water into a bowl.

Step 5

Mix with a hand whisk until you get a sort of batter, then sweeten with granulated sugar and cane sugar.

Step 6

Combine the seed oil and the soft butter.

Step 7

Whip the ingredients with a pair of electric whisks.

Step 8

Break 3 eggs and continue working with the whisks.

Step 9

Then incorporate the remaining eggs and the buttermilk.

Step 10

Sift the flour and mix everything well with a spatula.

Step 11

Finish with baking soda and white wine vinegar.

Step 12

Spread 1/3 of the prepared dough into a 20 cm diameter cake tin, already buttered and floured, and cook everything in a hot oven at 355°F/180°C for about 35 minutes.