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Home > Desserts > Moist Fudgy Zucchini Brownies

Moist Fudgy Zucchini Brownies

Last updated April 26, 2021. Originally posted April 26, 2021 By Jyothi Rajesh 24 Comments

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fudgy moist zucchini brownies with text
moist zucchini brownies with text
fudgy moist zucchini brownies with text

Zucchini brownies are rich, moist, fudgy and insanely delicious! You won’t even realize there are veggies in these brownies! A perfect way to use zucchini lying in your fridge and a perfect dessert for any chocoholic!

moist brownies made from zucchini stacked one on top of other
Jump to:
  • You Need This Zucchini Brownie Recipe In Your Life:
  • Ingredients Needed
  • How To Make Zucchini Brownie (With Step-By-Step Pictures)
  • Tips And Secrets To Make World’s Moistest And Fudgiest Zucchini Brownies
  • How To Store Leftovers?
  • 📋Moist Fudgy Zucchini Brownies

You Need This Zucchini Brownie Recipe In Your Life:

1. The best way to use up all the zucchini from your garden or loads of them that you picked from farmer’s market!
2. It’s easy to make your kids eat vegetable by hiding it in a dessert. Your kids will never know they are eating vegetable.
3. You can’t spot the zucchini at all! You can’t see it, taste it. All you will get is outrageously delicious fudgy brownies!
4. It’s perfect treat for all chocoholics!
5. These brownies are rich, moist, fudgy, chewy and taste is out of the world!
6. If you never tried adding zucchini to your baked goodies, do it NOW! Brownies, cakes, zucchini bread and so many other delicious treats you are missing out! Bake your favorite dessert NOW using zucchini!
7. These brownies are healthy-ish! You are eating …vegetable!
8. Tastes even BETTER the next day. That gives all excuses to make ahead a big batch and store them in fridge.
9. It stays moist for days!
10. Nothing much needed for it, eat it straight up as it is. Or to fancy it up add frosting or choco chips on top. It only takes a minute to make the frosting!

Did I convince you enough to have your interest in these brownies now?! Good, let’s get baking brownies! Not just any ordinary brownies! But, the moistest, fudgiest, decadent brownies you will ever bake! Period!

Ingredients Needed

Below pic shows you all you need to make these brownies. First picture is the list of all ingredients needed for the brownies and the second one shows ingredients for frosting. You can skip the frosting and eat brownies as it is or top it with something else that’s your favorite. Like choco chips, toasted nuts, dark melted chocolate, anything!

all ingredients for zucchini brownies placed on white board

Zucchini – It’s best to use small size zucchini as they have much more liquid content as compared to large zucchini which are mostly dryer! There is no water/milk/egg or other ingredients used in this recipe for making moist batter. It’s all just zucchini and it’s moisture. DO NOT DRAIN out the liquid! The liquid is what is going to make the brownies moist and fudgy.

Oil – use flavorless oil like cooking vegetable oil or sunflower oil.

Cocoa Powder – Unsweetened dutch processed cocoa powder is best.  It has stronger chocolate flavor. Ordinary cocoa powder works too.

Flour – All purpose plain flour. For gluten free options use coconut flour or gluten free oats flour.

Sugar – Use granulated white sugar or other granulated sweetener of your choice. Other granulated sweeteners that you can use are coconut sugar, Erythritol. Granulated sweeteners helps in the texture of the brownies.

Baking Soda – Also called as bi-carbonate soda. It’s used to help the brownies rise and for texture. If you want to substitute with baking powder use 4 ½ tablespoon of it.

Vanilla Extract – use good quality vanilla for better taste.

Salt – a pinch of sea salt enhances the taste.

For Frosting –

ingredients for brownie frosting

A mix of powdered sugar, cocoa powder, vanilla extract, melted butter (substitute it with coconut oil to make it vegan). Mix everything together, add little water to get the right consistency for the frosting.

How To Make Zucchini Brownie (With Step-By-Step Pictures)

  • Pre-heat oven at 350 degree Fahrenheit (or 150 degree centigrade).
  • Grease a 9×13 baking pan with butter. Line it with parchment paper.
  • Pick small zucchini as they have more moisture. More moisture = moistest brownies!
  • Grate zucchini. Use small side of your grater so you get little shreds of zucchini. No one will be able to tell or see any zucchini in the brownies.
  • DO NOT DRAIN. Keep it aside until you get other ingredients prepped.
  • In a large bowl add all the dry ingredients – all purpose flour, cocoa powder, baking soda, and salt. Mix until well combined. Keep aside.
  • In another large bowl, whisk together granulated sugar, oil and vanilla extract until combined.
  • Now add dry ingredients in parts. Add little at a time to the wet ingredients and whisk until combined. Add the second part, continue to whisk until combined. Add the final third part and whisk until everything comes together.
  • Note at this point the mix will be dry and powdery, don’t worry. It will come to right consistency after zucchini is mixed in. Do not get tempted to add water or milk at this stage. Hold on to that temptation.
step by step pictures of how to make zucchini brownies
  • Add all of the grated zucchini along with all the liquids in it. Fold in gently until everything comes together.
  • Allow the batter to rest for 5 minutes.
  • The moisture in zucchini will loosen the brownie batter and bring it to right consistency. See pic.
  • If batter is not wet enough, let it rest for 5 more minutes.
  • If you like to add choco chips or choco chunks, now is the time. It makes brownies extra chocolatey.
  • Pour brownie batter into the baking pan. Spread it evenly. Shake the pan  few time to release any bubble from the bottom of the pan.
  • Bake brownie in pre-heated oven at 350 degree Fahrenheit for 25 to 35 minutes.
  • Brownies are done with an tooth pick inserted in the center of the pan is removed with crumbs. You should not see any wet batter on the toothpick.
  • Remove the pan from the oven and allow it to cool completely.
  • Meanwhile you can get the frosting ready. In a bowl whisk together powdered sugar, cocoa powder, melted butter, vanilla extract and little water as needed.
  • Spread frosting evenly over cooled brownies, allow it to set completely in the fridge for couple of hours.
  • Once set, remove brownies from the baking pan. Using sharp knife cut into bars and serve.
zucchini brownie recipes step by step pictures
  • These brownies will firm up once cooled and tastes even better on day two!
  • Keep the leftovers covered in air tight containers in fridge. You can also freeze them.

Tips And Secrets To Make World’s Moistest And Fudgiest Zucchini Brownies

  1. Use small zucchini. It has more moisture compared to larger zucchini.
  2. Use small side of your grater so you get little shreds of zucchini. No one will be able to tell or see any zucchini in the brownies.
  3. DO NOT DRAIN grated zucchini.
  4. Measure 3 cups grated zucchini, lightly packed. Don’t push tight zucchini while measuring it.
  5. Dutch processed cocoa powder has stronger chocolatey taste and is best choice. You can use ordinary cocoa powder as well.
  6. If you like your brownies extra chocolatey add choco chunks (or choco chips) to the batter before baking.
  7. Don’t overbake chocolate zucchini brownies. It’s done once tooth pick removed with crumbs. There should not be any wet batter stuck to tooth pick when inserted and removed from the center of the pan.
  8. Zucchini brownies will still be very moist, and then will harden and set as it cool down. Don’t overbake!
  9. It tastes even BETTER the next day. That gives all excuses to make ahead a big batch and store them in fridge. They stay moist for days!
  10. If you don’t want to add frosting on brownies, you can skip or reduce the amount you use by simply drizzling the frosting on top instead of spreading all over.
  11. Alternatively top your brownies with choco chunks or chips soon as it comes out of oven. Chuck those choco chips or chunks on brownies while it’s still hot.
bars of zucchini brownies cut

How To Store Leftovers?

In Fridge – Any leftovers can be covered in air tight containers and stored in fridge for upto a week. They taste better the second day and keep moist for days.

In Freezer – Stack up the bars in air tight containers separating the bars with parchment wax paper covered in air tight containers. You can keep these frozen for 2 months.

When ready to eat, thaw these in fridge and then bring them to room temperature before eating.

HUNGRY FOR MORE SWEET TREATS? TRY THESE-

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1 Minute Chocolate Mug Cake

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Dirt Cups

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fudgy moist zucchini brownies cut into bars
moist brownies made from zucchini stacked one on top of other
4.91 from 11 votes

📋Moist Fudgy Zucchini Brownies

Jyothi Rajesh
Zucchini brownies are rich, moist, fudgy and insanely delicious! You won’t even realize there are veggies in these brownies! A perfect way to use up zucchini lying in your fridge and a perfect dessert for any chocoholic!
Prevent your screen from going dark
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Prep Time 10 mins
Cook Time 35 mins
Course Dessert
Cuisine American
Servings 15 brownies
Calories 275

Ingredients
  

  • 3 cups grated zucchini DO NOT DRAIN, lightly packed
  • 2 cups all purpose flour see notes for gluten free options
  • 1 ½ cups granulated sugar see notes
  • 1 ½ teaspoon baking soda
  • 1 tablespoon pure vanilla extract
  • ½ cup vegetable oil
  • ½ cup Dutch processed cocoa powder or ordinary cocoa powder
  • 1 teaspoon salt

For Frosting – (optional)

  • 1 cup powdered sugar
  • 3 tablespoon Dutch processed cocoa powder or ordinary cocoa powder
  • 4 tablespoon melted butter
  • 1 teaspoon vanilla extract
  • 1 or 2 tablespoon water or as needed

Instructions
 

  • Pre-heat oven at 350 degree Fahrenheit (or 150 degree centigrade).
  • Grease a 9×13 baking pan with butter. Line it with parchment paper.
  • Pick small zucchini as they have more moisture. More moisture = moistest brownies!
  • Grate zucchini. Use small side of your grater so you get little shreds of zucchini. No one will be able to tell or see any zucchini in the brownies.
  • DO NOT DRAIN. Keep it aside until you get other ingredients prepped.
  • In a large bowl add all the dry ingredients – all purpose flour, cocoa powder, baking soda, and salt. Mix until well combined. Keep aside.
  • In another large bowl, whisk together granulated sugar, oil and vanilla extract until combined.
  • Now add dry ingredients in parts. Add little at a time to the wet ingredients and whisk until combined. Add the second part, continue to whisk until combined. Add the final third part and whisk until everything comes together.
  • Note at this point the mix will be dry and powdery, don’t worry. It will come to right consistency after zucchini is mixed in. Do not get tempted to add water or milk at this stage. Hold on to that temptation.
  • Add all of the grated zucchini along with all the liquids in it. Fold in gently until everything comes together.
  • Allow the batter to rest for 5 minutes.
  • The moisture in zucchini will loosen the brownie batter and bring it to right consistency. See pic.
  • If batter is not wet enough, let it rest for 5 more minutes.
  • If you like to add choco chips or choco chunks, now is the time. It makes brownies extra chocolatey.
  • Pour brownie batter into the baking pan. Spread it evenly. Shake the pan few time to release any bubble from the bottom of the pan.
  • Bake brownie in pre-heated oven at 350 degree Fahrenheit for 25 to 35 minutes.
  • Brownies are done with an tooth pick inserted in the center of the pan is removed with crumbs. You should not see any wet batter on the toothpick.
  • Remove the pan from the oven and allow it to cool completely.
  • Meanwhile you can get the frosting ready. In a bowl whisk together powdered sugar, cocoa powder, melted butter, vanilla extract and little water as needed.
  • Spread frosting evenly over cooled brownies, allow it to set completely in the fridge for couple of hours.
  • Once set, remove brownies from the baking pan. Using sharp knife cut into bars and serve.
  • These brownies will firm up once cooled and tastes even better on day two!
  • Keep the leftovers covered in air tight containers in fridge. You can also freeze them.

Video

Notes

Zucchini – Use small zucchini. It has more moisture compared to larger zucchini. Use small side of your grater so you get little shreds of zucchini. No one will be able to tell or see any zucchini in the brownies. DO NOT DRAIN grated zucchini. Measure 3 cups grated zucchini, lightly packed. Don’t push tight zucchini while measuring it.
Cocoa Powder – Dutch processed cocoa powder has stronger chocolatey taste and is best choice. You can use ordinary cocoa powder as well.
Extra Chocolatey – If you like your brownies extra chocolatey add choco chunks (or choco chips) to the batter before baking.
Perfect Brownies – Don’t overbake chocolate zucchini brownies. It’s done once tooth pick removed with crumbs. There should not be any wet batter on the stick. 
Tastes Better On Day Two – It tastes even BETTER the next day. That gives all excuses to make ahead a big batch and store them in fridge. They stay moist for days!
Don’t Like Frosting? – If you don’t want to add frosting on brownies, you can skip or reduce the amount you use by simply drizzling the frosting on top instead of spreading all over. Alternatively top your brownies with choco chunks or chips soon as it comes out of oven. Chuck those choco chips or chunks on brownies while it’s still hot.
 
Nutrition mentioned is per bar/slice, medium sized slice. I got 15 medium sized slices/bar.
 
 

Nutrition

Calories: 275kcalCarbohydrates: 44gProtein: 3gFat: 11gSaturated Fat: 8gCholesterol: 8mgSodium: 185mgPotassium: 141mgFiber: 2gSugar: 29gVitamin A: 143IUVitamin C: 4mgCalcium: 12mgIron: 1mg
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    Comments & Reviews

  1. MARY RYAN says

    August 09, 2022 at 4:35 am

    Your instructions say to whisk; your video shows you using a hand mixer.
    I just mixed the batter and does not look like yours…the hand mixer probably releases more water from the zucs and
    mixes everything better.

    Hope they turn out.–otherwise waste of good ingredients.

    Reply
    • Jyothi Rajesh says

      August 24, 2022 at 10:15 am

      You can really use hand mixer or whisk by hand. It should not spoil anything in the brownie batter

      Reply
  2. Marrie says

    July 26, 2022 at 6:28 am

    4 stars
    Very good but like a fluffy moist cake. Not like dense fudgey brownies.

    Reply
    • Jyothi Rajesh says

      August 03, 2022 at 7:09 pm

      Glad you loved the recipe Marrie! Thank you.

      Reply
  3. Sam says

    September 21, 2020 at 9:50 pm

    Yum these brownies so good and fudgy. I love sneaking in zucchini in baked goods. Such a great way to eat your vegetables. I can’t wait to try this!

    Reply
  4. Natalie says

    September 21, 2020 at 5:31 pm

    5 stars
    Wow these brownies look so delicious. SO fudgy and flavorful. I never used zucchini to make brownies. This is something I’m planing to try for such a long time. I will save your recipe and give it a try.

    Reply
  5. Jagruti's Cooking Odyssey says

    September 21, 2020 at 12:25 pm

    I love courgette and chocolate bread and brownies, perfectly baked treat for any day. Plus point that it is egg free! yummy share

    Reply
  6. Amy Nash says

    September 21, 2020 at 10:27 am

    5 stars
    These brownies were seriously so fudgy and delicious! My 6-year old went crazy for them and told me they are her favorite brownies I’ve ever made!

    Reply
  7. Debbie says

    September 21, 2020 at 9:09 am

    5 stars
    I am a sucker for chocolate and decided to give these zucchini brownies a try, Let me tell you, I am so glad I did. They are so moist and melt in your mouth good. The frosting is the perfect touch. This is the perfect way to use the extra zucchini I had from the farmers market.

    Reply
  8. Karyl Henry says

    September 20, 2020 at 11:06 pm

    5 stars
    I’ve never tried zucchini brownies, but what a great way to sneak vegetables into a dessert! I’ve never heard of dutch processed cocoa powder. I’ll have to try and find that, because these brownies look amazing

    Reply
    • Jyothi Rajesh says

      September 21, 2020 at 4:00 pm

      Thank you

      Reply
  9. Denise says

    September 19, 2020 at 8:28 pm

    5 stars
    Absolute delicious ness! These brownies are perfect, fudgy and satisfies both the chocolate and sweet cravings!

    Reply
    • Jyothi Rajesh says

      September 19, 2020 at 11:49 pm

      Thank you

      Reply
  10. Ramona says

    September 18, 2020 at 6:12 pm

    5 stars
    Yumm, ive never made zucchini brownies and now i really want to! they look like they just melt in your mouth. I need to make these for my family tonight, they are going to love them! thank you for sharing this rcipe, I cant wait to try!

    Reply
    • Jyothi Rajesh says

      September 18, 2020 at 7:56 pm

      Hope you liked it Ramona

      Reply
  11. Sharon says

    September 18, 2020 at 7:20 am

    5 stars
    Zucchini bread move over because these zucchini brownies are now my go-to zucchini recipe from now on.

    Reply
    • Jyothi Rajesh says

      September 18, 2020 at 9:15 am

      hehe glad you found a new favorite Sharon!

      Reply
  12. Chef Dennis says

    September 16, 2020 at 6:37 am

    5 stars
    I’ve alway been intrigued with zucchini brownies so I gave your recipe a try and have to say they were ah-mazing!! This recipe is a keeper

    Reply
    • Jyothi Rajesh says

      September 16, 2020 at 3:30 pm

      Yay, i’m so glad you loved the recipe Chef Dennis. Thank you.

      Reply
  13. Gloria says

    September 15, 2020 at 12:02 am

    5 stars
    I don’t know of anyone that can resist a fresh baked brownie. This look super delicious. Adding some healthy ingredients make them easier to enjoy more often.

    Reply
    • Jyothi Rajesh says

      September 15, 2020 at 9:12 am

      Thank you

      Reply
  14. P at says

    July 25, 2020 at 3:59 am

    Your recipe does not include the amount of baking soda.
    I used 2 tsp. They turned out well.

    Reply
    • Jyothi Rajesh says

      August 11, 2020 at 9:39 am

      Sorry for the confusion. I have updated the recipe now. Thank you for bringing this to my notice and for your patience.

      Reply
  15. Pat says

    July 24, 2020 at 11:10 pm

    You do not include the amount of baking soda to use in the batter.

    Reply

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Jyothi - Author of Curry Trail.

Welcome, I'm Jyothi

My food philosophy is simple, fresh and full of flavors! I love ‘spicy’ food. In fact so much so that I can skip dessert for extra spicy savory food!

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