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Chocolate Brownie Bundt Cake

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close up shot of Chocolate Brownie Cake on a serving tray
Chocolate lovers will adore this chocolate brownie cake recipe which creates a moist and decadent cake drizzled in thick, homemade rich chocolate ganache.
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Table of Contents
  1. Brownie Cake Recipe Ingredients
  2. Substitutions And Additions
  3. How To Make Chocolate Brownie Cake Recipe
  4. How To Serve This Fudgy Brownie Cake
  5. How To Serve Brownie Bundt Cake
  6. You’ll Love This Chocolate Brownie Cake Recipe
  7. Brownie Cake Mix Recipe FAQ
  8. More Recipes You’ll Love
  9. JUMP TO RECIPE

This chocolate brownie cake takes everyone’s favorite chocolate cake and adds brownie mix to create a divine combination! Rich fudge brownie mix is blended with chocolate cake batter to make this unbelievably decadent chocolate dessert.

close up shot of Chocolate Brownie Cake with a slice being taken away

Brownie Cake Recipe Ingredients

Chocolate Brownie Cake raw ingredients that are labeled
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This cake is a decadent fusion of desserts that results in a moist, rich, and intensely chocolatey dessert.

Key ingredients such as chocolate cake mix with pudding, eggs, oil, mayo, and chocolate chips create a lusciously textured cake with pockets of molten chocolate.

The crowning finish is a velvety ganache made from heavy cream and chocolate chips, adding a smooth, creamy contrast and a touch of elegance to this indulgent treat.

You’ll need:

For The Cake:

  • 1 (15.25-ounce) box of chocolate cake mix (Any chocolate cake mix should do. I always use Betty Crocker – it has pudding in the mix.)
  • 1 (18.3-ounce) box of fudge brownie mix
  • 4 large eggs
  • 1¼ cups of water
  • 1 cup of vegetable or canola oil
  • ½ cup of mayonnaise
  • 1 cup of chocolate chips, I used semi-sweet chocolate chips, but you could use any milk or dark chocolate

For The Ganache:

  • 1 cup of heavy whipping cream
  • 2 cups of chocolate chips

Substitutions And Additions

MAYONNAISE: You can use Greek Yogurt as a mayo substitute. It has the same tangy taste and texture as mayo.

CHOCOLATE CHIPS: Get creative with your chocolate chips. White chocolate, butterscotch, or mint chocolate chips can add unique and delightful flavors to your cake while keeping it gooey and delicious.

TOPPINGS: You can use sprinkles to top this chocolate Bundt cake if you desire.

CAKE AND BROWNIE MIX: We love using the Ghirardelli brownie mix or Duncan Hines moist cake mix for this chocolate cake!

How To Make Chocolate Brownie Cake Recipe

Once you whip up the chocolatey batter for this cake, it gets baked to the perfect texture before you are ready to dig in.

STEP ONE: Preheat your oven to 350°F.

STEP TWO: In a large bowl, combine the box of cake mix, the box of brownie mix, eggs, water, oil, and mayonnaise.

Stir or mix these ingredients with an electric mixer until it’s well combined. Fold in the chocolate chips and keep stirring until they are well mixed in.

cake mix, the box of brownie mix, eggs, water, oil, and mayonnaise combined in a bowl

STEP THREE: Lightly spray a 12-cup Bundt pan with a non-stick cooking spray and pour the batter in evenly. 

PRO TIP:

Please note that it is very important that you are using a 12-cup Bundt pan for this recipe. If you are using a smaller pan, it will take longer than the indicated time to cook.

cake batter poured into a bundt pan

STEP FOUR: Bake your cake for 45 to 50 minutes or until a toothpick comes out of the center of the cake clean, or with just a few crumbs.

cake baked in a bundt pan

STEP FIVE: Cool your cake for 10 to 15 minutes and remove it from the Bundt pan to cool the rest of the way on a cooling rack.

PRO TIP:

Carefully run a rubber spatula around the sides and center of the Bundt pan before removing the cake to help it come out cleanly. Place a cooling rack on top of the Bundt pan and then invert it to remove the cake from the pan.

STEP SIX: When the cake is cooled, prepare the ganache.

STEP SEVEN: To start your ganache, heat the heavy cream in a small saucepan or in a microwave-safe container until it’s steaming.

PRO TIP:

Don’t allow your cream to boil! When it’s steaming, it’s ready.

STEP EIGHT: Pour the cream over the chocolate chips in a small bowl.

STEP NINE: Cover your chocolate with a plate for two to three minutes to contain the heat and allow the chocolate chips to soften.

STEP TEN: Whisk until the melted chocolate mixture forms a smooth, glossy ganache.

ganache ingredients being whisked together in a bowl

STEP ELEVEN: Pour the ganache over the cake and serve.

PRO TIP:

Place a clean baking sheet under the wire cooling rack before pouring the ganache over so that the drips are caught for easy cleanup.

ganache being poured over cake

How To Serve This Fudgy Brownie Cake

Add a scoop of our no-churn vanilla ice cream to your chocolate fudge brownie cake. This rich chocolate cake is ideal for a special occasion, especially if you are celebrating a chocolate lover.

Pair your chocolate brownie cake with a steaming cup of freshly brewed coffee or pumpkin spice latte. The bitterness of the coffee complements the sweetness of the cake, creating a perfect balance.

For more great chocolate desserts, try our mayo cake or our hot fudge sundae cake.

How To Serve Brownie Bundt Cake

Having leftovers means you have a little treat to enjoy later. here’s how to store them to enjoy later.

IN THE FRIDGE: You can keep your leftover cake in the fridge for up to five days in an airtight container.

IN THE FREEZER: Freeze your ultimate brownie cake in a freezer-safe container for up to one month.

Make sure to thaw your cake in the fridge before eating! Keep in mind, your ganache won’t freeze as well as the cake.

close up shot of a slice of Chocolate Brownie Cake on a plate

You’ll Love This Chocolate Brownie Cake Recipe

This delectable chocolate brownie cake is a rich, moist cake drizzled with a thick chocolate ganache. Combine the flavor of classic brownies with moist cake batter to make this amazing double-chocolate brownie cake.

Brownie Cake Mix Recipe FAQ

Can I make this recipe in a regular cake pan instead of a Bundt pan?

This great recipe could be made in a regular pan if you don’t have any Bundt cake pans but keep in mind that you will have to adjust the amount of time the cake bakes.

Can I freeze this chocolate cake?

You can freeze your chocolate brownie cake for up to one month.

Can I frost this with chocolate buttercream or another chocolate frosting instead of ganache?

If you prefer different frosting, you are more than welcome to replace the ganache with frosting or buttercream. It will be just as decadent and delicious.

What is the difference between chocolate cake and brownie cake?

The difference between chocolate cake and brownie cake is that the brownie cake tends to be denser, while the chocolate cake will be fluffier due to the differences in ingredient quantities.

What is the difference between brownie mix and cake mix?

A cake mix will contain more leavener to make it rise and become fluffy and airy, while a brownie mix contains very little, resulting in a denser cake.

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close up shot of Chocolate Brownie Cake on a serving tray

Brownie Cake

5 from 66 votes
Chocolate lovers will adore this chocolate brownie cake recipe which creates a moist and decadent cake drizzled in thick, homemade rich chocolate ganache.
Prep Time 20 minutes
Cook Time 50 minutes
Total Time 2 hours 10 minutes
Servings 16

Ingredients
  

Cake

  • 15.25 ounces chocolate cake mix (Any chocolate cake mix should do. I always use Betty Crocker – it has pudding in the mix. I used Triple Chocolate Chunk variety for this.)
  • 18.3 ounces fudge brownie mix
  • 4 large eggs
  • cups water
  • 1 cup vegetable oil, or canola oil
  • ½ cup mayonnaise
  • 1 cup chocolate chips (I used semi-sweet chocolate chips, but you could use milk chocolate or dark chocolate)

Ganache

  • 1 cup heavy whipping cream
  • 2 cups chocolate chips

Instructions
 

  • Preheat oven to 350°F.
  • In a large mixing bowl, combine chocolate cake mix, brownie mix, eggs, water, oil, and mayonnaise. Stir or mix with an electric mixer until well combined. Fold in chocolate chips and stir to combine.
  • Lightly spray a 12-cup bundt pan with non-stick cooking spray. Spread batter evenly into a bundt pan.
  • Bake for 45 to 50 minutes or until a toothpick inserted into the center of the cake comes out clean, or with just a few crumbs.
  • Cool cake for 10 to 15 minutes; remove from bundt pan to cool the rest of the way on a cooling rack.
  • When the cake is cooled, prepare the ganache.
  • Heat the heavy cream in a small saucepan or in a microwave-safe container until steaming.
  • Pour cream over chocolate chips in a small bowl.
  • Cover with a plate for 2 to 3 minutes to contain the heat and allow the chocolate chips to soften.
  • Whisk until the mixture forms a smooth, glossy ganache.
  • Pour the ganache over the cake and serve.

Video

Notes

  • Please note that it is very important that you are using a 12-cup bundt pan for this recipe. If you are using a smaller pan, it will take longer than the indicated time to cook.
  • Carefully run a rubber spatula around the sides and center of the bundt pan before removing the cake to help it come out cleanly. Place a cooling rack on top of the bundt pan and then invert it to remove the cake from the pan.
  • Don’t allow your cream for the ganache to boil! When it’s steaming, it’s ready.
  • Place a clean baking sheet under the wire cooling rack before pouring the ganache over so that the drips are caught for easy cleanup.

Nutrition

Calories: 490kcal | Carbohydrates: 45g | Protein: 5g | Fat: 34g | Saturated Fat: 17g | Trans Fat: 1g | Cholesterol: 70mg | Sodium: 385mg | Potassium: 119mg | Fiber: 1g | Sugar: 26g | Vitamin A: 292IU | Vitamin C: 1mg | Calcium: 58mg | Iron: 2mg
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Proudly Prepared by the Spaceships Kitchen

This recipe was developed, tested, cooked and photographed by the Spaceships Kitchen. From our dinner table to yours, we hope you think it's out of this world!

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  1. Elena says

    5 stars
    This is by far the best chocolate cake I’ve ever eaten !! This comment from everyone that shared this cake with me!!
    Made exactly as written!
    Thank you for the recipe!!

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