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Moist Zucchini Dark Chocolate Bundt Cake

53 Reviews

Moist Zucchini Dark Chocolate Bundt Cake is one of the softest, most chocolatey bundt cakes ever! This one is even a dark chocolate bundt cake!

Summer is in full swing and that means it’s a produce lovers heaven! We always seem to end up with a ton of zucchini that we need to use up before it goes bad, and a zucchini dark chocolate bundt cake is the perfect solution!

Now this isn’t just your normal bundt cake, this is a dark chocolate bundt cake! Actually, it’s dark chocolate, chocolate chips and the best chocolate ganache ever. 

A slice of zucchini chocolate bundt cake being removed from the cake. The inside of the cake is dark, moist chocolate and there is a chocolate glaze on top of the cake.

 

Dark Chocolate Bundt Cake

It sounds like it’s going to be crazy rich and ultra work to make things dark chocolate, but we are so lucky to live in a time of dark chocolate cocoa powder. Most grocery stores sell it now, but if you need to buy online it’s cheapest at Target!

And because you’re using zucchini and semi sweet mini chocolate chips you actually end up with a really well balanced chocolate cake. 

Can I use regular cocoa powder?

You can totally use regular cocoa powder. In fact, you could use dark chocolate for the chocolate chips, the ganache or just stick with whatever chocolate you have on hand. The sky’s the limit!

A zucchini chocolate bundt cake with a rich chocolate glaze. The cake is on a wire cooling rack and has mini chocolate chips scattered under and around the rack.

The Secret to a Moist Chocolate Cake

Zucchini is the secret to a really moist bundt cake recipe, especially when it’s chocolate as that can be extra dry when you use cocoa powder. It gives them so much delicious flavor, texture and moisture!

Ingredients Needed for Zucchini Dark Chocolate Cake in a Bundt Pan

For the Cake

  • Oil
  • Sour Cream
  • Sugar
  • Brown Sugar
  • Eggs
  • Teaspoons Vanilla
  • Buttermilk
  • Shredded Zucchini
  • Flour
  • Dark Coco Powder
  • Baking Powder
  • Baking Soda
  • Salt
  • Chocolate Chips

For the Glaze

  • Semi-Sweet Chocolate Chips
  • Heavy Cream
  • Mini Chocolate Chips   

A baked zucchini chocolate bundt cake in the bundt pan. Bits of chocolate and a cake server are next to the cake.

How to Prep Zucchini 

Shred the zucchini: Start by finely grading the zucchini with a cheese grater. Always use a smaller side if you have a few options of shredding size. This recipe calls for 3 cups of shredded zucchini, which ends up being about 3 small to medium zucchini.

How to Make Dark Chocolate Bundt Cake

For the Cake

  1. Preheat the oven to 350 degrees. Spray a 12 cup bundt pan with nonstick baking spray. 
  2. Beat the oil sour cream and sugars until creamy. Add the eggs and vanilla and beat again.
  3. Stir together the flour, cocoa powder, baking powder, baking soda, and salt
  4. Add the dry alternately with the buttermilk and zucchini until everything is incorporated. Stir in chocolate chips gently with a rubber spatula.
  5. Pour into the prepared pan. Bake for 50-60 minutes, or until a toothpick or knife inserted into the center of the cake comes out mostly clean. Remove and cool in the pan for 15 minutes, then flip it out onto a plate and cool completely.

For The Glaze

  1. Place the chocolate chips and heavy cream in a microwave safe bowl. Heat for 30 seconds. Stir until melted and creamy.
  2. Let it cool 5-10 minutes, then spoon over the top of the cake. Sprinkle with the mini chips and let set. Store in a tightly sealed container.

A spoon with thick chocolate glaze drizzling over the top of a zucchini chocolate bundt cake which is on a white cake plate.

Do I Have to Peel the Zucchini for this Bundt Cake?

No, you don’t want to peel the zucchini for these chocolate chip zucchini muffins. Though it might seem like you need to, it actually gets absorbed into the batter because it’s not a super thick skin. Don’t worry about peeling!

Can I Shred the Zucchini in Advance? 

If you want to save some time later on, you can shred your zucchini in advance. Grate the zucchini and dry it on the counter, then place it in an air tight container for up to 5 days before you’re ready to bake.

Freeze it!

In fact, you can even freeze shredded zucchini in a ziptop freezer bag. Just know that it will release more liquid which means you’d better leave some of the liquid out when you go to bake with it. 

A chocolate zucchini bundt cake with chocolate glaze. The cake is on a white cake plate and a cake server is resting under a piece that has been cut.

What is the Best Bundt Pan to Use?

STOP!!!

Size of Bundt Pans

Bundt pans are not created equal, especially when it comes to size. There are 9 cup and 12 cup bundt pans and it’s super important that you know which you have. I have no clue what size my pan is and I always forget to measure, however I would guess it’s a 10 cup as this recipe is always quite full in it. 

Which Bundt Pan to Buy

I wish my bundt pan was not dark as it does brown the cake faster. This Nordic Ware 12 cup Bundt pan allows you to make the bigger or small bundt cakes and it’s not as dark as mine so you should have a better, more moist result. 

A slice of zucchini chocolate bundt cake on a white dessert plate. The cake is dark, moist chocolate with a chocolate glaze. A fork is beside the plate.

Is Zucchini Good For You?

Zucchini is very good for you. It is packed with nutrients including Vitamins C and A, potassium, folate, and fiber. I always feel a little better about a zucchini cake because instead of a lot of butter you’re using some veggies. 

How Long Will A Bundt Cake Keep?

A bundt cake will keep for up to 5 days if you properly store it or up to a week if it’s in the fridge, covered. 

A baked zucchini chocolate bundt cake in a bundt pan. A cake server and mini chocolate chips are on the table next to the cake.

How to Store a Bundt Cake

Be sure to use a cake cover to store a bundt cake if there’s frosting. I also like to over any ends with plastic wrap. I’m currently returning my cake carrier to target because it’s the worst and buying this cake carrier with handle

Can You Freeze a Chocolate Zucchini Bundt Cake?

Bundt cakes freeze very well. Here’s what to do:

  1. Cool the cake completely
  2. Cut into pieces and wrap well in plastic wrap.
  3. Place in the freezer for up to 1 month. 
  4. Frost once it has been defrosted on the counter and has come back to room temp.

A slice of zucchini chocolate bundt cake being removed from the whole bundt cake. The cake has a chocolate glaze on it.

Is Heavy Cream The Same As Whipping Cream?

Heavy cream and heavy whipping cream are the same thing.  

They both contain at least 36% milk fat.

Whipping cream or light whipping cream contain 30-35% milk fat.

Heavy cream will whip better and hold its shape longer than whipping cream.

 

How to Make a Bundt into Cupcakes

To make cupackes, you’ll only get about 12-15 cupcakes and you’ll want to lower the baking time to 15-20 minutes, using a toothpick in the center to test if they are done. If the toothpick comes out wet baking a few minutes longer. 

A slice of zucchini chocolate bundt cake on a white dessert plate. The cake is dark, moist chocolate with a chocolate glaze. A fork is next to the plate.

Chocolate Zucchini Bundt Cake like you’ve never had before! The zucchini makes it extra moist and it’s loaded with chocolate chips and covered with luscious ganache! It’s a dark chocolate lovers dream come true!

More Delicious Bundt Cake Recipes

A slice of zucchini chocolate bundt cake on a white dessert plate. The cake is dark, moist chocolate with a chocolate glaze. A fork is next to the plate.

Zucchini Dark Chocolate Bundt Cake

3.23 from 53 votes
Prep Time: 20 minutes
Cook Time: 1 hour
Total Time: 1 hour 20 minutes
Servings: 16
Zucchini Dark Chocolate Bundt Cake is tender cake with the rich flavor of dark chocolate. It's the most moist bundt I've ever made!

Ingredients

Cake

  • 1/2 Cup Oil
  • 1/3 Cup Sour Cream
  • 1 1/4 Cups Sugar
  • 1/4 Cup Brown Sugar
  • 3 Eggs
  • 2 teaspoons Vanilla extract
  • 1/2 Cup Buttermilk
  • 3 Cups Zucchini finely shredded (about 3 zucchini)
  • 2 1/2 Cups Flour
  • 1/2 Cup Cocoa Dark
  • 2 teaspoons Baking Powder
  • 1 teaspoon Baking Soda
  • 1 teaspoon Salt
  • 1 Cup Chocolate Chips mini

Glaze

  • 1 1/4 Cup Chocolate Chips semi sweet
  • 1/2 Cup Cream heavy
  • 2 Tablespoons Chocolate Chips mini

Instructions

For the Cake

  • Preheat the oven to 350 degrees. Spray a 12 cup bundt pan with nonstick baking spray. 
  • Beat the oil sour cream and sugars until creamy. Add the eggs and vanilla and beat again.
  • Stir together the flour, cocoa powder, baking powder, baking soda, and salt
  • Add the dry alternately with the buttermilk and zucchini until everything is incorporated. Stir in chocolate chips gently with a rubber spatula.
  • Pour into the prepared pan. Bake for 50-60 minutes, or until a toothpick or knife inserted into the center of the cake comes out mostly clean. Remove and cool in the pan for 15 minutes, then flip it out onto a plate and cool completely.

For The Glaze

  • Place the chocolate chips and heavy cream in a microwave safe bowl. Heat for 30 seconds. Stir until melted and creamy.
  • Let it cool 5-10 minutes, then spoon over the top of the cake. Sprinkle with the mini chips and let set. Store in a tightly sealed container.

Notes

Bundt cake will keep for 5 days in the pantry.
Nutrition Facts
Zucchini Dark Chocolate Bundt Cake
Amount Per Serving (1 g)
Calories 406 Calories from Fat 171
% Daily Value*
Fat 19g29%
Saturated Fat 7g44%
Cholesterol 48mg16%
Sodium 263mg11%
Potassium 211mg6%
Carbohydrates 56g19%
Fiber 2g8%
Sugar 37g41%
Protein 6g12%
Vitamin A 304IU6%
Vitamin C 4mg5%
Calcium 89mg9%
Iron 2mg11%
* Percent Daily Values are based on a 2000 calorie diet.

A slice of zucchini chocolate bundt cake being removed from the cake. The inside of the cake is dark, moist chocolate and there is a chocolate glaze on top of the cake.

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About the authors

carrian feik cheney oh sweet basil

Cade and Carrian have three children and love to spend time together whether it’s vacationing or snuggled up on the couch for a good movie.

And this family especially loves to eat.

They love everything from the keep you fit and healthy to the get out your sweat pants indulgent and everything in between.

But most of all, they love the memories made, shared and treasured and it’s all thanks to a meal shared together with loved ones.

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Recipe Rating




6 comments

  • Can this be baked as a sheet cake?

    • Reply
    • Hi Ann! No, this recipe doesn’t make enough batter for a sheet pan.

      • Reply
  • I was wondering if you could make cupcakes instead of bundt pan? This sounds sooo delicious, I can’t wait to make it ! I love dark chocolate…

    • Reply
    • Yes absolutely! Keep the baking temperature the same and bake for about 16-18 minutes. You are going to love this if you’re a dark chocolate lover!

      • Reply
    • Hi! Thank you for posting yummy recipes. About how many zucchini are needed to yield three cups please? I only have one at home and don’t want to start grating to find out it’s not enough. Also, if one zucchini is not enough what can I add to compensate for less zucchini in the recipe? Thank you very much!

      • Reply
      • Hi Judy! 1 medium zucchini would make about 1 cup of shredded zucchini. You should probably grab a couple more zucchinis to be sure you have enough. It is hard to substitute for zucchini in this case but you could try yellow squash or carrot.

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