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Ultimate Chocolate Fudge Bundt Cake

4.5 from 405 votes
This amazing chocolate cake starts with a cake mix and couldn't be easier or more decadent.
photo of Danelle, author of Let's Dish
Published on , Updated October 3, 2025
4.5 from 405 votes
Slice of chocolate fudge bundt cake with chocolate ganache frosting.

Why You’ll Love This Recipe

This is the chocolate cake I come back to time and again. Here’s why it’s a favorite:

  • Delicious with or without the ganache drizzle (but why not go all out?)
  • Incredibly moist, rich, and chocolatey
  • Comes together fast thanks to a cake mix
  • Foolproof for beginner and experienced bakers alike
  • Crowd-pleasing and always earns rave reviews
  • Fancy enough for special occasions but easy enough for weeknights

After you preview the recipe card, be sure to look below for ingredient substitutions, recipe and storage tips, and suggestions for pairings and tasty variations!

Slice of chocolate fudge bundt cake with chocolate ganache frosting.

Ultimate Chocolate Fudge Bundt Cake

This amazing chocolate cake starts with a cake mix and couldn’t be easier or more decadent.
4.54 from 405 votes
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Course: Desserts
Cuisine: American
Prep Time: 10 minutes
Cook Time: 50 minutes
Total Time: 1 hour
Servings: 12 servings
Calories: 308kcal
Author: Danelle

Ingredients 

  • 1 chocolate cake mix
  • 1 3.4 oz. package instant chocolate pudding mix
  • 1 cup sour cream
  • 3 eggs
  • 1/3 cup vegetable oil
  • 1/2 cup water
  • 2 cups semi-sweet chocolate chips
  • Chocolate ganache for frosting

Instructions

  • Preheat oven to 350 degrees. Grease and flour a 10-inch bundt pan.
  • In the bowl of a stand mixer, beat 1 chocolate cake mix, 1 3.4 oz. package instant chocolate pudding mix, 1 cup sour cream, 3 eggs, 1/3 cup vegetable oil, and 1/2 cup water until well blended. Fold in 2 cups semi-sweet chocolate chips.
  • Spoon batter (it will be thick) into prepared pan.
  • Bake for 50 minutes to 1 hour.
  • Cool for 15 minutes in the pan before turning out onto a wire rack to cool completely.
  • Once cooled, drizzle cake with Chocolate ganache, if desired.

Nutrition

Serving: 1g | Calories: 308kcal | Carbohydrates: 25g | Protein: 4g | Fat: 24g | Saturated Fat: 10g | Polyunsaturated Fat: 11g | Cholesterol: 70mg | Sodium: 85mg | Fiber: 2g | Sugar: 18g
Keep scrolling for tips, ingredient substitutions, answers to frequently asked questions and more!
Perfect Chocolate Ganache

Recipe Tips

Here’s how to make sure your cake turns out perfectly every time:

  • Grease Well: I swear by Baker’s Joy spray for bundt pans. If you’re greasing by hand, make sure to coat every nook and cranny, then dust lightly with flour.
  • Thick Batter: The batter will be thick—don’t worry! Spoon it into your pan and smooth it out a bit.
  • Cool Before Turning Out: Let the cake cool in the pan for at least 15 minutes before flipping it onto a rack.
  • Ganache Drizzle: If you’re using ganache, wait until the cake has cooled completely. Need a ganache recipe? Try this Chocolate Ganache—it works beautifully here!

Storing & Serving Suggestions

  • Store: Keep leftovers tightly wrapped at room temperature for up to 3 days.
  • Freeze: This cake freezes really well! Wrap slices individually and thaw at room temperature.
  • Serve With: A dollop of whipped cream, fresh raspberries, or a scoop of vanilla ice cream makes it extra special.
Ultimate Chocolate Fudge Bundt Cake

Fun Variations to Try

Want to mix things up? Here are a few ways to make this cake your own:

  • Peanut Butter Swirl: Drop spoonfuls of peanut butter into the batter before baking and swirl with a knife.
  • Mocha Fudge: Replace some of the water with cooled brewed coffee for a deeper chocolate flavor.
  • Mint Chocolate: Add a teaspoon of mint extract and use mint chocolate chips.
  • Caramel Drizzle: Skip the ganache and drizzle with Homemade Caramel Sauce instead!

Share this recipe

144 comments

  • Debbie Feese

    5 stars
    Made this cake for a friends get together and BAM, it was a winner! Everyone wanted the recipe! The ganache I used 2cups of cream and 8ozs chocolate – next time will use 1 1/2cup cream cause it was a bit runny. But hubby suggested to drizzle then put the cake and ganache in fridge for a bit then drizzle again. Perfect and so amazingly moist! Winner! Definitely will make again! Thank you❤️

  • Sharon Selder

    5 stars
    This cake is DELICIOUS & it’s a regular favourite in our family thank LUVI

  • Sharon Selder

    5 stars
    This cake is DELICIOUS I it’s a regular favourite in our family thank LUVI

4.54 from 405 votes (396 ratings without comment)

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photo of Danelle, author of Let's Dish

Hello! I’m Danelle. Thanks for visiting.

At Let's Dish, I'm bringing a taste of uptown foodie to real-life, everyday meals! Here, I share simple, reliable recipes that make mealtime easy.
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