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Chocolate Brownie 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. CHOCOLATE BROWNIE CAKE INGREDIENTS
  2. HOW TO MAKE THIS CHOCOLATE BROWNIE CAKE RECIPE
  3. HOW TO SERVE
  4. STORAGE
  5. MORE RECIPES YOU’LL LOVE
  6. JUMP TO RECIPE

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

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

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

CHOCOLATE BROWNIE CAKE INGREDIENTS

Chocolate Brownie Cake raw ingredients that are labeled

You’ll need:

For the Cake

  • 1 (15.25-ounce) box 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 fudge brownie mix
  • 4 large eggs
  • 1¼ cups of water
  • 1 cup of vegetable or canola oil
  • ½ cup mayonnaise
  • 1 cup chocolate chips, I used semi-sweet chocolate chips, but you could use any milk or dark chocolate

For the Ganache

  • 2 cups chocolate chips
  • 1 cup heavy whipping cream

SUBSTITUTIONS AND ADDITIONS

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

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

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

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HOW TO MAKE THIS CHOCOLATE BROWNIE CAKE RECIPE

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.

Chocolate Brownie Cake process shot of ingredients 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.

Chocolate Brownie Cake process shot of 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.

Chocolate Brownie Cake process shot of 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 2 to 3 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.

Chocolate Brownie Cake process shot of 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.

Chocolate Brownie Cake process shot of ganache being poured over cake

HOW TO SERVE

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.

STORAGE

IN THE FRIDGE: You can keep your leftover cake in the fridge for up to 5 days in an airtight container.

IN THE FREEZER: Freeze your ultimate brownie cake in a freezer-safe container for up to 1 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

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

FREQUENTLY ASKED QUESTIONS

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 other 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.

MORE RECIPES YOU’LL LOVE

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close up shot of Chocolate Brownie Cake on a serving tray

Chocolate Brownie Cake

5 from 57 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
  

For the Cake

  • 1 (15.25-ounce) box 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.
  • 1 (18.3-ounce) box 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

For the Ganache

  • 2 cups chocolate chips
  • 1 cup heavy whipping cream

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 a hand beater 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 cake is cooled, prepare ganache.
  • Heat 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 ganache over 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

Sodium: 385mg | Calcium: 58mg | Vitamin C: 1mg | Vitamin A: 292IU | Sugar: 26g | Fiber: 1g | Potassium: 119mg | Cholesterol: 70mg | Calories: 490kcal | Trans Fat: 1g | Saturated Fat: 17g | Fat: 34g | Protein: 5g | Carbohydrates: 45g | Iron: 2mg
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  1. Jen says

    5 stars
    This cake is amazing! My kids say it is their new favorite dessert. Perfect combo of rich, chocolate, moist perfection. 5 stars for sure!

  2. Jennifer Robinson says

    Have you made this as anything other than a Bundt? I don’t have a bundt pan but really wanted to make this. Any suggestions?

  3. Linda says

    5 stars
    I used 2 regular cake pans . After cooled i added a layer of marshmallow fluff in the middle, added the 2nd layer of cake and topped off with the Chocolate Ganache.
    Yummy

  4. Laurie says

    5 stars
    This was fabulous! I made it 3 times in 5 days. First time, exactly as written. I had trouble getting it out of the pan so second time I used cooking spray and cocoa powder to help. Was great! The third time I made it into cake layers! I had some extra batter so made 4 muffins. It was fabulous each time. Great recipe!

  5. Dawn Bradley says

    For the chocolate chips that are used in the cake, I’d use mini chips. For the ganache, I’d add a tsp of vanilla bean paste! I’m going to make this on Tuesday for my son & daughter-in-law!

  6. ruth A cameron says

    my great grand daughter is a big,big brownie lover and she would add her favorite reddi whip and sprinkles on top.she eats a brownie or brownie mug daily and i believe she would eat as much of this as she could get away with.lol.she is 7

  7. Irene Gillingham says

    5 stars
    Looks awesome!! Definitely gonna make this as your instructions will make it turn out perfectly!! Well done❤️

  8. Andrea says

    I wouldn’t add anything to this cake! I made it before & it is delicious just the way it is! One of my favorites!

  9. Flofrommo says

    5 stars
    I would add strawberries to anywhere you can. We think strawberries and chocolate are an unbelievable taste sensation.

  10. Connie Ohnemus says

    5 stars
    You don’t need any extras or topping. Looks perfect just as is. Need to get a few. Things before I can try

  11. Marilyn Hacker says

    5 stars
    I’m a chocolate lover. This recipe sounds awesome. Would go great with vanilla ice cream. Three cups of chocolate chips seems quite enough. I wouldn’t want to add more.

  12. Charlene Hsrsh says

    5 stars
    I may add some chopped walnuts or pecans. but this sounds fabulous as is.I can ‘t wait to try it.

  13. Janice says

    Haven’t tried making yet but I definitely will. Think I would try serving this with some type of berry on the side.
    Looks delish!!!

  14. JENNIFER says

    This sounds amazing! I am going to try making it gluten free, and serving with fresh strawberries 🍓 yum!

  15. Kathy Taylor says

    5 stars
    I would add chocolate sprinkles into the mix. add more chocolate chips. drizzle caramel over the top and serve raspberries on the side.

  16. Lori Pennington says

    5 stars
    Chocolate brownie cake is a favorite at our house ì always put extra chocolate chips in mine I use the mini chocolate chips next time I am gonna drizzle carmel on top…..

  17. Karen says

    5 stars
    I’ve used dark chocolate chips on top, milk chocolate chips and espresso chips. I have added mini M&Ms and crushed malt balls to the top of as well.

  18. Christy says

    5 stars
    This looks fantastic! I will definitely be trying! I would drizzle with white chocolate instead of the chocolate ganache and serve with sliced strawberries. Thanks for the great recipe! 🙂

  19. Carol Peck says

    5 stars
    The brownie cake looks delish!!! Although perfect as it is, I would add strawberry slices and whipped cream to the top. Why not?!

  20. Shannon says

    5 stars
    Yummers,looks so good! Im making your fried chicken recipe today for Sunday dinner,can’t wait to try it😊 Have a good day!

  21. Nancy says

    5 stars
    Can’t wait to try. This is a chocoholic’s dream. I would not put sprinkles on it unless they were chocolate sprinkles.

  22. C Coppola says

    This looks and sounds delicious! Fresh raspberries mashed into a syrup with more fresh ones would be a perfect compliment.

  23. Marilyn Vescovo says

    5 stars
    I’m going to make this for all the July birthdays we have coming up. I would drizzle some caramel sauce on top. Yum!!

  24. Nicole Fortier says

    5 stars
    I think that putting caramel on it would be amazing.
    I have a tendency to use more chocolate chips than the recipe calls for.
    It might be delicious with something fresh mint, pineapple, black berries or cherries.
    Could also be amazing with cream cheese frosting and cherries.

  25. Marleen Ngirucherong says

    5 stars
    I always try the recipe as is before I try to change it. I love this chocolate brownie cake as is. What I did was setup a topping bar and let people top their slice with whatever they want. It was a hit. Thank you for always sharing awesome recipes. I’m going down my list making recipes that we chose to make.

  26. Pat Koch says

    I’d add the fruit only as extra decoration drooping the cake. I may add the chocolate chips onlt if I thought it might need it on my second time that I baked the cake!!

  27. Ellen Maddaloni says

    5 stars
    Ahhh. What a beautiful cake thinking the warm Raspberries but then the Ganache puts it over the top it’s all about the finish .
    Thank you for sharing.
    Ellen

  28. Susan says

    This brownie cake sounds amazing! Too bad (or good thing!) it’s Sunday night and I don’t have time to make it now. Haha!😂
    I would probably stir in Skor bits, drizzle with caramel sauce then garnish with some more Skor bits! And of course it would include the vanilla ice cream. That is not negotiable!

    *I’ve not found Skor bits in the US (similar to Heath bits but waaaay better) just in Canada!

  29. Ms AL Warren says

    5 stars
    Chocolate lovers paradise, good cake to use as a top tier if making a 2 or 3 tiered cake of different flavours.

  30. Alison Simmons says

    5 stars
    Made this last night for my son’s 16th birthday – it was so easy and soooo delicious! He opted for cream cheese icing instead of the chocolate glaze and it was a great complement.

  31. Suzanne Melson says

    5 stars
    Just made it for the second time….cover dish tomorrow….told all my friends how good it was and they asked me to bring….made it for myself for Mothers Day….I have a house full of men…so I treated myself…put in frig after a couple of days…BILs came to town and ate on it for at least four days…you will not be disappointed!

  32. Olga says

    5 stars
    This chocolate cake looks delicious!
    I must make this for a great tasting dessert. Looks very rich and something that would go good with a scoop of vanilla ice cream!

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