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Gluten Free Zucchini Brownies

Gluten Free Zucchini Brownies

Zucchini Brownies are one of our treats. When I started a Gluten Free diet it was in the middle of harvest season and we had zucchini coming out of our ears. Determined to turn my favorite treat into a gluten free snack I came up with this recipe. First, you would never know these are gluten free! And second, you can’t even tell these are filled with a healthy veggie. Plus the gluten free version contains whole grains so it’s twice as healthy!

Gluten Free Zucchini Brownies

  • 1 1/2 c. sugar
  • 1/2 c. oil
  • 2 t. vanilla
  • 2 c. shredded zucchini
  • 1. c. brown rice flour
  • 1 c. sweet rice flour (or sticky rice flour)
  • 1 1/2 t. baking soda
  • 1 t. salt
  • 1/3 c. cocoa

Mix all together well and pour into a 9×13 greased pan. Bake for 35 mins at 350F or until a toothpick comes out clean. Once cooled you can make the frosting:


  • 6 T. butter
  • 6 T. milk
  • 1 1/2 c. sugar
  • 1/2 c. chocolate chips

On the stovetop, mix together the butter, milk, and sugar. Heat together until the mixture boils. Boil for 1 minute. Remove from heat and stir in the chocolate chips. Pour over the brownies and let it cool before you cut.

gluten free zucchini brownies

This recipe works great with both fresh zucchini and frozen shredded zucchini. Remember that if you are using frozen zucchini you may need to drain it first otherwise your brownies will end up too soupy from the extra water content.

Don’t need a gluten free zucchini brownie? Try my regular Zucchini Brownies Recipe! (And find a bunch more recipes for zucchini!) Or maybe you just want to make plain gluten free brownies?

Need more recipes like this? Check out our Gluten Free Recipes page!

Get even more Quick Zucchini Recipes!

 Have you ever tried making these gluten free Zucchini Brownies? Did your family even realize there was a vegetable in them?


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  1. Thanks for these! What is the reason for using sticky rice flour, and can I substitute it with other flours and xanthan gum? I’ve been looking for sugar-free/ gluten-free/ vegan baking recipes!! 🙂

  2. I would like to try this recipe – it looks awesome! I’ve never baked with cocoa before. What do I look for in the grocery store?

  3. I made these and they turned out great! They taste just like your picture looks; super fudgy and delicious. I couldn’t find sticky rice flour so I used white rice flour instead with great results. Thanks for the recipe!!

  4. Hello,
    These look amazing! Can you recommend what I could substitute for the butter in the frosting?

    1. Hmmm, I’m not sure, I haven’t tried anything different for the frosting. You might be able to use coconut oil but it won’t set up quite the same or have quite the same flavor.

  5. We used cane sugar, Namaste Foods “perfect flour blend”, and carob chips….. Just put it in the oven so we will see ……

  6. Hi – I came across this recipe on Pinterest and can’t wait to try it given that we’re experiencing an early bumper crop this year (it’s only late June and we’ve already harvested 15 lbs =:-s of the lovely things). I do have a question though, is it correct that this recipe contains no eggs? I made it to recipe and it’s in the oven as I type. I have my fingers crossed that no egg was correct 🙂


  7. I’ve made these a few times and are my go-to recipe when brownies are in need… I found tonight that mixing the batter in the food processor was significantly better than mixing by hand… I will continue to do this from now on and recommend this to others… Thanks for the great and SIMPLE recipe!

  8. I saw this recipe on an allergy Facebook page and I was hesitant to try because I have already tried so many gluten-free egg free brownie recipes that I was just about to give up.
    These brownies are absolutely delicious. My two-year-old allergy Baby was thrilled beyond words. And I’m thrilled that I could no longer have to buy package brownie treats filled with preservatives for her. Now birthdays and school events will be so much more fun with these packed for my baby girl! And to be completely honest… I ate three and that they were better than traditional brownies!