Introduction

This world’s best chocolate cake is rich, moist, and intensely chocolatey with a luscious ganache and a creamy espresso cinnamon mascarpone topping. Perfect for special occasions or any time you crave a decadent slice of chocolate heaven.

A round chocolate cake with thick, glossy dark chocolate frosting spread unevenly on top, creating smooth swirls and textured peaks. One large slice is cut and placed on a smaller white plate to the right, showing the cake’s moist, dark brown inside layer beneath the shiny frosting layer. There are small crumbs scattered around the plates. A dark bronze fork rests next to the slice on the smaller plate. The background is a white marbled texture. photo taken with an iphone --ar 4:5 --v 7

Ingredients

1 cup plus 1 1/2 tablespoons (250 grams) unsalted butter, at room temperature and cut into 3/4-inch cubes, plus extra for greasing the pan
7 ounces (200 grams) dark chocolate (70% cocoa solids), chopped into 3/4-inch pieces

1 1/2 teaspoons instant coffee granules, dissolved in 1 1/2 cups (350 milliliters) boiling water
1 1/4 cups (250 grams) granulated sugar

2 large eggs, lightly beaten
2 teaspoons vanilla extract

1 3/4 cups plus 2 tablespoons (240 grams) self-rising flour
1/3 cup (30 grams) Dutch-processed cocoa powder, plus 1 1/2 teaspoons for dusting
1/4 teaspoon salt

7 ounces (200 grams) dark chocolate (70% cocoa solids), roughly chopped into 3/4-inch pieces (for ganache)
3/4 cup (180 milliliters) heavy cream
1 tablespoon light corn syrup

1 tablespoon unsalted butter, at room temperature
1 1/2 cups plus 1 tablespoon (375 milliliters) heavy cream (for mascarpone cream)
3/4 cup (190 grams) mascarpone

Scraped seeds of 1/2 vanilla pod
2 1/2 teaspoons finely ground espresso
3/4 teaspoon ground cinnamon

2 1/2 tablespoons confectioners’ sugar

Instructions

Step 1: Preheat your oven to 350°F (170°C). Grease a 9-inch (23 cm) round springform pan with butter and line the bottom with parchment paper. Set aside.
Step 2: In a large heatproof bowl, combine the butter, chopped chocolate, and hot dissolved coffee. Stir until the mixture is melted, smooth, and combined.

Step 3: Whisk in the granulated sugar until it dissolves. Then add the eggs and vanilla extract, whisking again until the batter is smooth and fully mixed.
Step 4: Sift together the self-rising flour, cocoa powder, and salt. Gradually whisk this dry mix into the chocolate mixture. The batter will be liquid—this is normal.
Step 5: Pour the batter into the prepared pan and bake for about 1 hour, or until a skewer inserted in the center comes out clean or with a few dry crumbs. The top will form a crust and crack slightly. Let the cake cool for 20 minutes in the pan before removing it, then cool completely on a rack.

Step 6: To make the ganache (optional), place the chopped chocolate in a food processor and pulse until fine. Heat the cream and corn syrup in a small pan over medium-high heat until bubbles form just before boiling. Pour the hot cream into the food processor with chocolate running and process for 10 seconds. Add the butter and continue processing until smooth and glossy. Scrape into a bowl, cover with plastic wrap touching the surface, and let it set to desired consistency.
Step 7: For the mascarpone cream (optional), combine the heavy cream, mascarpone, vanilla seeds, espresso, cinnamon, and confectioners’ sugar in a mixer bowl fitted with a whisk. Beat until soft peaks form, about 1 to 2 minutes.
Step 8: Carefully remove the parchment from the cooled cake and place it on a serving platter. Spread ganache over the top if using. Slice the cake and serve with mascarpone cream alongside if you like.

Tips & Variations

For a more intense coffee flavor, increase the instant coffee granules slightly or use brewed espresso instead of instant coffee.
Use high-quality dark chocolate with at least 70% cocoa for the best rich taste.
To make a gluten-free version, substitute self-rising flour with a gluten-free baking blend that contains leavening agents.

If you prefer a glossy ganache coating, pour it over the cake while still warm and liquid for a smooth finish.

Storage

Store the cake in an airtight container at room temperature for up to 4 to 5 days. If frosted with ganache, it can be refrigerated and will keep for up to 2 weeks. Allow refrigerated ganache or mascarpone cream to come to room temperature before serving. Ganache can also be frozen but may lose some shine when thawed.

How to Serve

A round chocolate cake with one slice cut out and placed on a smaller white plate beside it. The cake has one thick dark brown base layer topped with a glossy, smooth and swirled dark chocolate frosting that looks creamy and rich. Both plates sit on a white marbled surface. Next to the slice on the smaller plate is a dark bronze fork. There are a few crumbs scattered around the plates. Photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I make this cake without the coffee?

Coffee enhances the chocolate flavor but can be omitted if you prefer. Replace the coffee with an equal amount of hot water or milk to maintain the batter consistency.

What is self-rising flour and can I use regular flour?

Self-rising flour contains baking powder and salt already mixed in. If you don’t have it, you can use all-purpose flour with 1 1/2 teaspoons baking powder and 1/4 teaspoon salt added per cup of flour used.