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Home Baking

Chocolate Zucchini Bread

By Nagi Maehashi
308 Comments
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Published21 Jun '19 Updated2 Jul '25
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Chocolate Zucchini Bread  – zucchini? What zucchini? Can’t taste it, can’t see it. All I see is the fudgiest, moistest, most decadent chocolate bread you will ever have. Full stop, period!

Close up of slice of the most amazing Chocolate Zucchini Bread with molten chocolate and fudgy insides!

CHOCOLATE Zucchini Bread?? Are you MAD??

If you’re new to this whole Chocolate Zucchini Bread concept, here’s all you need to know: it is a “thing”. 

Probably initially born as a way to use up an abundance of zucchini when they’re in season, dolled up to entice little people (and big people who are as fussy about greens as little people).

But then once people realised how ridiculously FUDGY zucchini makes it, the idea stuck.

And now it’s a “thing”

And we are very, very glad it is.

Because zucchini is the secret ingredient that makes this the fudgiest, richest, most insanely moist chocolate bread you will ever have in your entire life. And you cannot taste zucchini in it at all!!

Fresh grated zucchini

Overhead photo of Chocolate Zucchini Bread

Here’s what you need

When you cut into it and see the glistening, moist inside with drippy pockets of chocolate, it’s truly hard to believe there’s three whole zucchinis in this.

It can even take more. I find that the Chocolate Zucchini Bread starts getting a mild “this isn’t just chocolate!” flavour to it (iethe zucchini, but no normal human would guess that) but in terms of integrity of the crumb, rise etc., you can almost double the quantity of zucchini without compromising the recipe!!

Best chocolate?

I chose to use chocolate blocks which I would cut into some small and some large pieces because I wanted the wow! factor of little pockets of melty chocolate when I cut into it. For convenience, you can absolutely use chocolate chips instead, or in fact skip the chocolate all together!

What goes in Chocolate Zucchini Bread

The making part (super SUPER easy)

Usually when I cook with grated zucchini, like Crispy Zucchini Fritters, I salt the zucchini to draw out excess moisture followed by grabbing handfuls to squeeze out the excess liquid.

With this recipe, there is no need to do the salting step – just grate and squeeze. Get out what you can – you don’t need superhuman strength – because the residual liquid in the zucchini makes this chocolate zucchini bread super moist!

What it tastes like

It’s like fudgy brownies – in loaf form. It’s like Chocolate Fudge Cake – but fudgier. It slices like normal quick breads but it’s way more decadent!

How to make Chocolate Zucchini Bread

Spot the Zucchini!

Can’t taste it.

Can barely see it – you’d have to inspect real close to spot a strand of what possibly could be a bit of zucchini…

Frankly, all I see is an outrageous chocolatey looking cake with drippy molten bits of chocolate. Any nutritional benefit from the zucchini is a freebie bonus!

Photo showing the inside of Chocolate Zucchini Bread loaf

Close up of fork cutting into a stack of Chocolate Zucchini Bread slices

But let’s be realistic.

Don’t make Chocolate Zucchini Bread to use up excess zucchinis.

Or to squeeze extra veggies into your diet.

Nope.

Just make this because you want to indulge in the most amazing chocolate bread you will ever make. Because I promise you, I have made plenty of chocolate breads in my lifetime and this is by far the most moist, and most chocolatey, and as crazy at it sounds, it’s because of the zucchini.

But if it makes you feel better to cling onto the concept of nutritional value as a basis on which you can justify making it for afternoon tea today, or to entice your “healthy” friends into having a slice, who am I to stop you? 🤷🏻‍♀️😂 – Nagi x


More amazing Zucchini recipes

  • Cheesy Zucchini Bread (No Yeast) – garlicky, cheesy goodness! (What zucchini??)

  • Crispy Zucchini Fritters – you’ll love how crispy these parmesan flavour fritters are!

  • Greek Zucchini Tots (Mini Fritters) – baked zucchini tots!

  • Super Low Cal Healthy Creamy Vegetable Soup – zucchini is the secret ingredient to an almost zero cal creamy soup!

  • Healthy Creamy Zucchini Soup – you’ll love how silky creamy this is

Close up photo of the best Chocolate Zucchini Bread with molten melty chocolate and fudgy insides!

Watch how to make it

The most incredible Chocolate Zucchini Bread ever!

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Close up of slice of the most amazing Chocolate Zucchini Bread with molten chocolate and fudgy insides!

Chocolate Zucchini Bread

Author: Nagi
Prep: 15 minutes mins
Cook: 1 hour hr 5 minutes mins
Total: 1 hour hr 20 minutes mins
Baking, Sweet
Western
4.99 from 94 votes
Servings10
Tap or hover to scale
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  • 925
Recipe video above. Zucchini? What zucchini? All I see is the most decadent, moist chocolate loaf you may ever have in your life!

Ingredients

  • 3 cups grated zucchini (2 large or 3 small) (Note 1)
  • 1 3/4 cups (260g) flour, plain/all purpose
  • 1/3 cup (40g) unsweetened cocoa powder, preferably dutch processed (Note 2)
  • 1.5 tsp baking soda (bi-carbonate) (Note 3)
  • 1/2 tsp salt
  • 2 tsp vanilla essence
  • 1 1/4 cup (275g) white sugar
  • 2 eggs
  • 100g / 7 tbsp unsalted butter , melted
  • 300g / 10 oz dark chocolate , coarsely chopped (keep some larger chunks!) (Note 4)
Prevent screen from sleeping

Instructions

  • Preheat oven to 180C/350F (160C fan).
  • Grease and line a large loaf pan (mine is 28 x 15 x 6.5cm / 11 x 6 x 2.5″).
  • Grab handfuls of zucchini and squeeze out excess liquid, then place in colander to drain while you prepare the batter. (Note 4)
  • In a large bowl, whisk together flour, cocoa, baking soda and salt.
  • In a separate bowl, whisk together eggs and sugar. Then add butter and vanilla, and whisk until fully incorporated.
  • Pour egg mixture into flour bowl and stir with wooden spoon until flour is just incorporated – batter will be thick!
  • Add zucchini and chocolate and stir to mix through – it will be very thick at first but it will loosen into a thick, spreadable batter (see video).
  • Scrape into loaf pan, bake 45 minutes. Cover with foil and bake a further 20 minutes or until skewer inserted into the centre comes out clean (except for melted chocolate streaks!)
  • Stand in loaf pan for 15 minutes before removing. Cool on rack for a further 10 minutes before slicing.
  • Extra amazing served warm – you get melty chocolate bits and it’s extra fudgy in the middle!

Recipe Notes:

1. Zucchini – grate zucchini then measure 3 cups, lightly packed (ie don’t push it in tightly, just place it in).
2. Cocoa powder – dutch processed has a stronger chocolate flavour. Ordinary cocoa powder is just fine too!
3. Baking soda – also known as bi carbonate soda. Sub with 4.5 tsp baking powder.
4. Chocolate – eating or cooking chocolate will work just fine here, as long as its semi-sweetened or sweet. Do not use unsweetened! I used Lindt dark cooking chocolate in the video and photos. It holds up slightly better during baking if there’s any poking up above the surface – which usually there is not. So it doesn’t really matter!
5. Squeezing zucchini – Don’t need to go overboard squeezing out excess liquid, just get out what you can. The remaining moisture in the zucchini is what makes the bread so moist!
6. Source: Adapted from this Chocolate Zucchini Bread recipe from Simply Recipes.
7. Nutrition per slice, fairly generous slices!!!

Nutrition Information:

Calories: 437cal (22%)Carbohydrates: 61g (20%)Protein: 6g (12%)Fat: 19g (29%)Saturated Fat: 14g (88%)Cholesterol: 54mg (18%)Sodium: 425mg (18%)Potassium: 366mg (10%)Fiber: 3g (13%)Sugar: 36g (40%)Vitamin A: 370IU (7%)Vitamin C: 6.8mg (8%)Calcium: 111mg (11%)Iron: 2.1mg (12%)
Keywords: Chocolate zucchini bread, Zucchini bread
Did you make this recipe?I love hearing how you went with my recipes! Tag me on Instagram at @recipe_tin.

Life of Dozer

This is how Dozer gets lectured for doing something naughty…….

Lecturing Dozer_golden retriever dog

….and this is how he responds…. rolling around with laughter. 😖

(OK, he’s asking for a tummy rub, but it looks like he’s laughing!!😂😂)

Dozer wanting tummy scratches at park_golden retriever dog

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308 Comments

  1. Hez says

    September 15, 2024 at 4:14 am

    5 stars
    I’ve made this loaf several times, it’s bullet proof! I tried once to give one to the neighbour, couldn’t get past my husband at the front door….
    Make it exactly as directed, sooooo good!

    Reply
  2. Tania M says

    August 20, 2024 at 5:32 pm

    5 stars
    My colleague made this recipe and brought it in for the team. It was moist, delicious, and rich. Extra points for the amount of chunky chocolate chip pieces there were. I am now adding this to my favourites list to try.

    Reply
  3. Di says

    August 13, 2024 at 4:03 pm

    5 stars
    The grandchildren loved this. Wonderful chewy outside and deliciously gooey on the inside.
    Thanks Nagi

    Reply
  4. Lauren says

    June 12, 2024 at 7:44 pm

    5 stars
    I made this gluten and dairy free by swapping the flour to gf (white wings as it’s what I had) and using Whittaker’s Dark Ghana. I’m giving it 5 stars as it easily converts. For my taste, in future, I would use the Aldi dark chocolate instead as the Dark Ghana was intense but did well with some flora dairy free cream to tone it down. If you have access to the Whittakers oat chocolate but not an Aldi that would work well too,

    Reply
    • Katherine R says

      January 24, 2025 at 8:31 pm

      Did you use Flora plant cream instead of butter? I’ve had to go DF while breastfeeding my daughter and I’m still getting the hang of things

      Reply
    • Aideen says

      November 29, 2024 at 11:16 pm

      Do you think i could replace the butter for sunflower oil for dairy free

      Reply
  5. Susie says

    February 24, 2024 at 5:46 pm

    Could I use gluten free flour for this recipe? Have friends need to be gf.

    Reply
  6. Sue says

    February 7, 2024 at 10:47 am

    Can you freeze this recipe

    Reply
  7. Shannon says

    February 6, 2024 at 12:54 pm

    Has anybody made this with sugar substitute?

    Reply
  8. Wendy says

    February 2, 2024 at 4:19 pm

    Has anyone substituted the butter with olive oil? I am dairy free and think this would work well.

    Reply
  9. Jenny stokes says

    January 30, 2024 at 9:48 am

    5 stars
    Omg this is unbelievable. Moist,chocolaty and so yummy. Very rich so only need a small piece but who am I kidding 🤣
    I’m now going to have to grow some zucchini

    Reply
  10. Rebecca says

    January 21, 2024 at 8:42 pm

    5 stars
    This recipe is delicious. My 7 yo son described it as “the best cake I’ve ever eaten” and that’s after I substituted half whole meal flour and monk fruit sugar instead of regular sugar. So moist and tasty! I made a double batch because I had some enormous zucchinis from the garden to use up.

    Reply
  11. Tanya Fitz says

    January 17, 2024 at 10:55 pm

    Can I use giant zucchini for this and would you recommend to remove the inside and skin? Or what do you suggest?

    Reply
  12. Louise Gillespie says

    January 14, 2024 at 3:07 pm

    I had too much mix for my tin so made a few muffins… Already eaten before the cake is done!

    Definitely my kids’ favourite way to eat the excess zucchini from our garden….

    Reply
  13. Christine Firmstone says

    January 7, 2024 at 3:49 pm

    5 stars
    This was the most amazing use of zuchinni my husband grows them and I have so many in summer. Cannot wait for the rest of my family to try this bread it is amazing

    Reply
  14. Jewels says

    December 11, 2023 at 4:05 am

    5 stars
    This is my first time commenting on a recipe I found online. I only use the internet for necessities and recipes but I had to give you the PROPS you deserve. The bread was amazing! Your words were, and I quote “The most incredible Chocolate Zucchini Bread ever!” and that is an understatement in my opinion.
    I used Ghirardelli milk chocolate chips instead, and even with only half a bag, the bread was still the best I’ve ever had. Thank you so much for sharing this recipe. I hope you have a wonderful holiday season.”

    Reply
  15. Amber says

    December 6, 2023 at 6:43 pm

    5 stars
    So chocolatey! Wonderful recipe, works really well as a loaf and can also convert to muffins for school lunches

    Reply
    • Michelle McLauchlin says

      February 9, 2025 at 9:59 am

      Hi Amber, how long do you put them in the oven for muffins?

      Reply
  16. Sarah says

    December 5, 2023 at 11:31 am

    5 stars
    Made on repeat in our house – particularly when zucchini’s are going crazy in the garden. Friends are always surprised when I tell them there is zucchini in there. Excellent toasted with butter.

    Reply
  17. Krestabelle Baldwin says

    December 1, 2023 at 4:09 pm

    5 stars
    A house favourite and a great way to use up our bountiful zucchini haul from the garden every summer. My fussy 5 year old requests for it every week to bring in his lunchbox to daycare 🤤

    Reply
  18. Elaine says

    October 3, 2023 at 11:25 pm

    5 stars
    Could I use good quality chipits instead ?

    Reply
  19. Farah says

    September 28, 2023 at 2:38 pm

    5 stars
    A very forgiving recipe! I made quite a few changes as I didn’t check the pantry first (oops) and they still came out wonderfully moist and delicious.
    I halved the recipe and made muffins (25min instead of 65min), wholemeal flour instead of plain, honey instead of sugar (reduced to 75% as it’s sweeter) and I only had ~120g dark choc chips left so that’s all I used.
    The wholemeal made it tasted a bit more “healthy” so I wouldn’t repeat but still very yummy 🙂

    Reply
  20. Elsa says

    September 8, 2023 at 2:51 pm

    5 stars
    So moist & chocolatey without being overly sweet! A fudgy, dessert-like recipe that is perfect to use up zucchini bounty!! We all loved it, esp the chocoholics in the family 🙂

    Reply
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Hi, I'm Nagi!

I believe you can make great food with everyday ingredients even if you’re short on time and cost conscious. You just need to cook clever and get creative! Read More

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