Name: Chocolate Brownie Cake with Chocolate Ganache Recipe
Prep time: 25 min
Cook time: 50 min
Total time: 2 h 10 min
Cuisine: American
Ingredients: 15.25 ounces chocolate cake mix; 18.3 ounces fudge brownie mix; 4 large eggs; 1¼ cups water; 1 cup vegetable oil (or canola oil); ½ cup mayonnaise; 1 cup semi-sweet chocolate chips; 1 cup heavy whipping cream; 2 cups chocolate chips

I truly love sharing this Chocolate Brownie Cake with Chocolate Ganache Recipe because it strikes the perfect balance between rich, fudgy brownies and the tender crumb of chocolate cake. Every bite is an indulgent experience, crowned with an irresistibly silky ganache that adds the ultimate chocolate finishing touch. Whether you’re a chocolate lover like me or seeking a stunning dessert for a special occasion, this cake never fails to impress or satisfy.

Why You'll Love This Chocolate Brownie Cake with Chocolate Ganache Recipe

What makes this recipe so special to me is the incredible depth of chocolate flavor it offers. You get the dense, almost chewy texture of a fudge brownie combined with the soft, moist crumb of a chocolate cake all baked together in one gorgeous bundt. Then, the chocolate ganache glaze ties everything together with its glossy shine and creamy, melt-in-your-mouth finish. It’s a chocolate lover’s dream come true.

One of the reasons I reach for this recipe often is how surprisingly easy it is to prepare. Using boxed mixes for both the chocolate cake and the fudge brownies might seem like a shortcut, but pairing them with simple fresh ingredients like eggs, oil, water, and mayonnaise yields a cake that tastes homemade and rich without fuss. It’s an accessible recipe that delivers big results, even when you’re short on time.

I find this cake is perfect for so many occasions, from casual family dinners to holiday celebrations and birthdays. It stands out because it’s both comforting and elegant. Presentation is simple but impressive when the ganache cascades beautifully down the sides, making it the star of the dessert table every time I serve it. Honestly, it’s become a trusted go-to when I want something crowd-pleasing and decadently chocolatey.

Ingredients You'll Need

The image shows two side-by-side views of a light yellow bowl on a white marbled surface. On the left side, a woman's hand holds a metal whisk stirring a mixture of white and light brown liquid with some darker solid bits visible, creating a swirling texture. On the right side, the same bowl contains a smooth, thick, shiny dark brown chocolate mixture with visible gentle ripples on the surface. photo taken with an iphone --ar 4:5 --v 7

The ingredients in this Chocolate Brownie Cake with Chocolate Ganache Recipe are straightforward but essential for achieving the right texture, flavor, and appearance. Each one plays a unique role in building that luscious chocolate experience that defines this dessert.

TIP : You'll find the full list of ingredients and measurements in the recipe card below

Chocolate cake mix: Provides a tender crumb and a balanced chocolate foundation.
Fudge brownie mix: Adds fudgy richness and chewiness that contrasts beautifully with the cake.
Eggs: Essential for structure and richness.
Water: Keeps the batter moist.
Vegetable oil: Keeps the cake tender and ensures it stays moist after baking.
Mayonnaise: A secret ingredient which adds moisture and a subtle creaminess.
Chocolate chips (for batter): Adds bursts of melty chocolate throughout the cake.
Heavy whipping cream: Used to make the silky chocolate ganache that coats the cake perfectly.
Chocolate chips (for ganache): Melt to create the smooth, glossy topping that is pure chocolate luxury.

Directions

Step 1: Preheat your oven to 350 degrees Fahrenheit. This step ensures your oven is ready for even baking as soon as your batter is prepared.

Step 2: In a large mixing bowl, combine the chocolate cake mix, fudge brownie mix, eggs, water, vegetable oil, and mayonnaise. Stir everything together – I usually use an electric mixer to get it nice and smooth – until all the ingredients are thoroughly blended. Then fold in the chocolate chips gently to sprinkle pockets of gooey chocolate throughout the cake.

Step 3: Lightly spray a 12-cup bundt pan with non-stick cooking spray. This step makes sure the cake will release easily after baking. Spread your batter evenly into the prepared pan so the cake bakes uniformly.

Step 4: Bake for 45 to 50 minutes. Around the 45-minute mark, I insert a toothpick into the cake’s center. You’re looking for it to come out clean or with just a few moist crumbs attached. This ensures the cake is perfectly baked, moist but not underdone.

Step 5: Let the cake cool in the pan for 10 to 15 minutes. Once slightly cooled, carefully remove it from the bundt pan and transfer to a cooling rack to cool completely. This helps the cake set and prevents the ganache from melting too much when applied.

Step 6: While the cake cools, it’s time to prepare the ganache. Heat the heavy cream gently in a small saucepan or microwave-safe container until it is steaming but not boiling – about 1 to 2 minutes.

Step 7: Pour the hot cream over the chocolate chips in a small bowl. Cover this bowl with a plate or lid for 2 to 3 minutes. This keeps the heat in and allows the chocolate chips to melt fully without stirring.

Step 8: Whisk the chocolate and cream together until you get a smooth, glossy ganache that is pourable but thick enough to coat your cake beautifully.

Step 9: Drizzle or pour the ganache generously over the cooled cake, letting it cascade down the sides. Serve immediately or allow the ganache to set slightly for a firmer finish.

Servings and Timing

This Chocolate Brownie Cake with Chocolate Ganache Recipe makes about 16 generous servings, perfect for a crowd or special gatherings. The prep time is roughly 15 minutes, which includes mixing the batter and prepping the pan. Bake time takes around 45 to 50 minutes, depending on your oven. Don’t forget to factor in about 10 to 15 minutes of initial cooling in the pan and additional cooling on the rack. Overall, you’re looking at about 2 hours and 10 minutes from start to finish, including ganache preparation and cake cooling time, which is very reasonable for such a spectacular dessert.

How to Serve This Chocolate Brownie Cake with Chocolate Ganache Recipe

A close-up image of a rich, moist chocolate cake slice with one main thick layer. The top of the cake is covered with a smooth, shiny dark chocolate glaze that slightly drips on the sides. The crumb of the cake is dense and textured, showing small air holes throughout. The cake sits on a white marbled surface, and crumbs are scattered around the base. Photo taken with an iphone --ar 4:5 --v 7

When I serve this cake, I love pairing it with a dollop of freshly whipped cream or a scoop of vanilla bean ice cream. The contrast of cold creaminess with the warm, rich chocolate ganache elevates the dessert to another level. For a refreshing balance, a handful of fresh raspberries or strawberries on the side adds a pop of color and a tart brightness that complements the deep chocolate flavors beautifully.

For a show-stopping presentation, I often garnish the cake with a sprinkle of flaky sea salt on the ganache or some chopped toasted nuts like pecans or hazelnuts for added texture and a touch of sophistication. Serve on a nice cake stand or a large white platter so the rich chocolate shine really pops visually.

As for drinks, I personally enjoy a robust cup of coffee or an espresso alongside. If you want something more festive, a glass of ruby-port or a deep red wine like a Cabernet Sauvignon pairs wonderfully, highlighting the chocolate’s earthy notes. This cake shines at family dinners, holiday parties, and anytime you want to impress guests without spending hours in the kitchen. It’s best served at room temperature or just slightly warmed to enjoy the ganache’s perfect texture.

Variations

Over time, I’ve experimented with different twists on this Chocolate Brownie Cake with Chocolate Ganache Recipe to suit various tastes and dietary needs. If you prefer a dairy-free option, I substitute the heavy cream with full-fat coconut milk and use vegan chocolate chips to make a vegan version that’s just as decadent. It’s a wonderful alternative that doesn’t sacrifice richness.

If you want to mix it up flavor-wise, adding a teaspoon of instant espresso powder to the batter enhances the chocolate intensity beautifully without making it taste like coffee. For a fruitier touch, stirring in some chopped dried cherries or adding a handful of chopped nuts to the batter gives a delightful surprise with each bite. Alternatively, swapping out the mayonnaise for Greek yogurt or applesauce changes the texture slightly, making the cake a bit lighter but still moist.

If time is tight, I’ve also tried baking this as cupcakes in a muffin tin, reducing bake time to about 20 to 25 minutes. This method is perfect for parties or when you want individual portions to share. No matter how you prepare it, this recipe adapts well and always delivers that luscious chocolate experience I know you’ll love.

Storage and Reheating

Storing Leftovers

I recommend storing any leftover chocolate brownie cake in an airtight container at room temperature for up to 2 days. If your kitchen is warm, keeping it in the refrigerator is a better option to maintain freshness and prevent the ganache from becoming too soft. Just be sure to bring it back to room temperature before serving for the best flavor and texture.

Freezing

You can absolutely freeze this cake if you want to enjoy it later. I usually wrap the cooled cake tightly in plastic wrap, then cover it with aluminum foil to prevent freezer burn. It will keep well for up to 3 months. When you’re ready to serve, thaw it overnight in the refrigerator and then let it come to room temperature before reheating or serving.

Reheating

To reheat this cake, I gently warm individual slices in the microwave for about 10 to 15 seconds or until just warmed through. Avoid overheating, or the ganache can become too soft and greasy. If you prefer, you can place slices in a 300°F oven for 5 to 7 minutes wrapped loosely in foil to gently warm without drying out. This method helps restore the cake’s soft texture and keeps the ganache beautifully glossy.

FAQs

Can I make this cake without mayonnaise?

Yes, you can substitute mayonnaise with an equal amount of Greek yogurt or applesauce for a lighter texture. The mayonnaise adds moisture and richness, but these alternatives still keep the cake moist and delicious.

What type of chocolate chips work best in this recipe?

I personally love using semi-sweet chocolate chips because they provide balanced sweetness, but you can use milk chocolate for a creamier taste or dark chocolate for a more intense, slightly bitter contrast. All options yield wonderful results.

Can I make this recipe gluten-free?

To make a gluten-free version, look for gluten-free chocolate cake mix and brownie mix. Many brands offer gluten-free options, and the recipe stays the same otherwise. Just be mindful of cross-contamination if that’s a concern.

Is the ganache difficult to make?

Not at all! The ganache only requires heating the cream and pouring it over chocolate chips to melt, then whisking until smooth. It’s quick, simple, and transforms the cake into an elegant dessert effortlessly.

How long does the ganache stay fresh on the cake?

When stored properly at room temperature or refrigerated, the ganache will stay fresh and glossy for about 2 to 3 days. If refrigerated, bring the cake to room temperature before serving for the best texture and flavor.

Conclusion

I genuinely hope you try this Chocolate Brownie Cake with Chocolate Ganache Recipe soon because it’s one of those desserts that feels like a warm hug in cake form. It’s easy to pull together, looks stunning, and tastes absolutely heavenly. Whether you’re baking it for a special event or to treat yourself on a cozy night in, I know this cake will become one of your favorites just like it has for me. Happy baking and even happier indulging!