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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. Jennifer says

    May 18, 2021 at 1:25 pm

    Update! 🙂 Went and got a larger pan and sooooo glad I did! So moist, so chocolatey, so heavenly. 🙂 Thank you for another winner!

    Reply
  2. Jennifer says

    May 5, 2021 at 6:02 am

    Very excited to make this for Mother’s Day! I don’t have a loaf pan that large – suggestions on using a smaller loaf pan or pans? Would another type of pan work? Thank you! Love, love, LOVE your recipes!

    Reply
    • Nagi says

      May 5, 2021 at 12:47 pm

      Hi Jennifer, it all depends on size as that will affect cook time. What kind of pans do you have? N x

      Reply
      • Jennifer says

        May 5, 2021 at 10:40 pm

        Makes sense! I have a regular loaf pan (8.5 x 5 I think – too small, right?) but I do have an 8 x 8 or 7 1/2 by 11 x 2. Too shallow?

        Reply
  3. Ross says

    April 2, 2021 at 9:06 pm

    The perfect love child of the forbidden threesome… mud cake, brownies and chocolate layered cake. Fantastic! I used milk chocolate chunks and what a treat to come across those melty little flavour bombs. Nagi, you are an alchemist of the highest order.

    Reply
  4. Sarah says

    March 20, 2021 at 2:19 pm

    I have quite a few zucchini from gardening whilst spending extra time at home due to Covid. I have made this bread twice and it is so so good. My three children love it.

    Reply
  5. Sam says

    March 18, 2021 at 11:42 am

    5 stars
    O.M.G. This was divine!!! Sooooo fudgy, almost like a brownie only I can pretend it’s healthier because there’s some veggies in it 😉 I totally missed the substitution measurements for baking soda/bi-carb and ended up putting only 1.5 tsp of baking powder in and it still rose up just fine!

    Reply
  6. Faye says

    March 1, 2021 at 7:22 pm

    5 stars
    Yummy. Making it for the third time this year.

    Reply
  7. Kate says

    February 20, 2021 at 8:18 pm

    5 stars
    Super yummy! I made them as muffins rather than a loaf and just halved the cooking time and they came out perfect! Love your recipes. Thanks soooo much for so many great ideas!

    Reply
  8. Vi says

    February 3, 2021 at 6:19 am

    5 stars
    This tasted absolutely amazing. My three zucchini non-loving man and boys devoured this cake even though they knew it had zucchini in it. I’ll make it again this weekend but will try with slightly less sugar as it was a bit too sweet for us.

    Reply
  9. Emjay says

    January 26, 2021 at 10:22 pm

    4 stars
    I have made several chocolate zucchini recipes in the past and my family have requested I not make them again. I rarely make something my family don’t like, so when they’re not fans I listen! This time I prefaced my intention to bake with “this is a recipe from Nagi.” They agreed to try and were very pleased, will make again.

    Reply
  10. Jade says

    January 6, 2021 at 6:52 pm

    5 stars
    I have a very fussy toddler at the moment and he gobbled this up! Super fudgy! Good to know at least there’s vegetables for him in there 😂

    Reply
  11. Linda says

    January 4, 2021 at 12:52 pm

    5 stars
    This zucchini bread is the bomb! I am a strict Keto-er, so I adapted. I used 1 1/2 cups low carb Carbalose flour and 1/4 cup vital wheat gluten, sugar free chocolate, 3/4 cup Monkfruit Classic sweetener, doubled the baking soda and added 1 1/2 tsp of baking powder, all else per the recipe. Carbalose can be tricky, but this rose beautifully and it is the moistest, fudgiest zucchini bread i have ever made. Baking temp and times were perfect. There is no hint of the zucchini or the sugar free substitutes – I can’t say enough good things about this recipe. I hope this helps if fellow Keto followers are passing this up.
    I love stir fries and as a vegetarian I find so many options here. I cook your recipes at least 3 times a week. And, I admit, I usually check out what Dozer’s up to first. Happy New Year to you both!!

    Reply
  12. Kerrie Ann says

    December 21, 2020 at 2:22 pm

    Hey Miss Nagi.
    I am in love with your recipes. I decided to make this delicious beauty this morning and it was so tasty!! I got a little crazy and added a dollop of homemade cream cheese topping. I’m in love!
    Thank you & happy holidays!
    Kerrie Ann 🙂

    Reply
  13. Joy says

    November 30, 2020 at 12:13 am

    5 stars
    This was a total insta-love for my family at our birthday celebration for my niece’s 15th birthday, they couldn’t help but sneak slices every time they passed the tabletop it was on to cool. It even beat the “official” birthday cake as the favourite cake for the night! Definitely best loved warm. Thanks Nagi!

    Reply
  14. Kristy says

    November 14, 2020 at 11:04 am

    Hi Nagi. I made the chocolate zucchini loaf today. It tastes scrumptious but even with an additional 15 minutes of baking time it still seemed under baked. The top didn’t spring back when I touched it. You described it as being “fudgy” so I don’t know if it’s supposed to be this texture or if I made a mistake. The next time I’ll try a cake tin rather than a loaf tin in the hopes that it might be drier. Is it supposed to be this texture? Also, how should I store it? Fridge?
    Sending Dozer a “Whose the goodest girl?”
    Kristy

    Reply
  15. Emily says

    November 8, 2020 at 7:57 pm

    I made this zucchini loaf for the first time and my family absolutely loved it! Thanks for all your wonderful, easy to follow recipes.

    Reply
  16. Selam Zeru says

    October 1, 2020 at 10:55 pm

    This went amazingly. I can’t stop eating it, help.

    Do you think I could recreate this with self-raising flour and skip the bicarb next time?

    Reply
    • Nagi says

      October 2, 2020 at 10:28 am

      Hi Selam, you could, I would add 1 tsp bi carb to the mix still – this gives it the lift it needs. N x

      Reply
  17. Karen says

    September 6, 2020 at 4:26 am

    5 stars
    I made this a couple of weeks ago. It is so good and chocolatey (just used semi-sweet chocolate chips). I thick sliced it, put it on a cookie sheet, froze it, then into a ziplock into freezer. Love to heat in micro until warm and melty. Nagi has the best recipes!

    Reply
  18. Kayla Trevors says

    September 2, 2020 at 11:10 am

    5 stars
    Moist, chocolatey , and delicious!! By far the best recipe out there. Thanks Nagi !

    Reply
  19. Janice Cheng says

    August 31, 2020 at 11:18 am

    5 stars
    Hi Nagi, do you think it will work with half beetroot and half zucchini?

    Reply
    • Nagi says

      August 31, 2020 at 3:27 pm

      I haven’t tried to be honest Janice – would love to know if you give it a go! N x

      Reply
  20. Angela dyer says

    August 27, 2020 at 11:49 pm

    My daughter will be in second heaven.
    Can’t wait to produce these goods

    Reply
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