Ultimate Gluten-Free Vegan Chocolate Zucchini Cake: An Allergy-Friendly & Top-8-Free Delight
Imagine a wonderfully moist, exquisitely dense chocolate cake, generously topped with a rich layer of dark chocolate morsels. This isn’t just any dessert; it’s the perfect treat to celebrate the changing seasons, especially when your garden (or generous neighbors!) provides an abundance of zucchini. Transform that versatile green vegetable into an absolutely incredible chocolate cake that caters to nearly every dietary need. This allergy-friendly Gluten-Free Vegan Chocolate Zucchini Cake is thoughtfully crafted to be free from gluten, wheat, dairy, eggs, soy, peanuts, and tree nuts. It’s truly vegan and proudly top-8-free, ensuring that delicious cake is accessible and enjoyable for everyone!

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Embracing the Zucchini Bounty: Your Secret Ingredient for Moist Cakes
My kitchen has been overflowing with zucchini lately, and surprisingly, I didn’t even plant any this year! Since moving from an apartment to a vibrant neighborhood, it seems almost all my lovely neighbors are avid gardeners, and they’re keen to share their bountiful harvests. I’ve received zucchini deliveries on my doorstep, offers via text messages, and even more generous offerings from friends. But I certainly don’t mind this delightful predicament! Zucchini, often underestimated, is truly a magical ingredient in baked goods, infusing them with unparalleled moisture and a tender crumb without imparting any discernible vegetable flavor. It’s a genius way to sneak in some extra goodness!
My son, for instance, would be absolutely thrilled if I whipped up these gluten-free vegan chocolate chip zucchini muffins every single day. They’re not only delicious but also fantastic for school lunches, offering a wholesome treat. And let’s be honest, who can possibly resist a slice of rich chocolate cake? These two reasons alone—the incredible moisture and the universal appeal of chocolate—make zucchini a worth-its-weight-in-gold ingredient. If you don’t have a garden or generous neighbors, you might just find yourself politely asking for some, and for good reason!

A Beloved Family Recipe, Reimagined for All
This particular chocolate zucchini cake recipe holds a special place in my heart, originally hailing from my mom’s kitchen. I cherish fond memories of her baking it, filling our home with its comforting aroma. I was incredibly excited to take her classic recipe and lovingly adapt it to be entirely allergy-friendly, making sure everyone could enjoy a slice without worry. Thank you, Mom, for the wonderful foundation! Indeed, many of the best things in life, including cherished recipes, often come from our incredible mothers, don’t you agree?
And now, for a fun confession: does it make me a “bad mom” that I don’t even mind if my kids sneak a piece of this cake for breakfast? I like to think of it as a win. With nutrient-rich ground flax seeds contributing healthy Omega-3s and, of course, a serving of hidden vegetables from the zucchini, I rationalize that it’s got to be a far better start to the day than a sugar-laden donut or processed cereal. It’s all about balance, right? (And please, if you think otherwise, don’t burst my bubble! Let me enjoy being the “cool mom.” Haha.) This cake offers a delightful way to nourish without sacrificing flavor, proving that healthy and delicious can truly go hand-in-hand.
Effortless Indulgence: The Joy of a No-Frosting Cake
One of my absolute favorite aspects of this particular chocolate zucchini cake is the blissful fact that I don’t have to bother with making frosting! For me, the extra steps, additional dishes, and specific ingredients required for frosting can sometimes be a real deterrent when considering baking a cake. You know that feeling – sometimes you just crave cake, and you want it right now, with minimal fuss. This recipe perfectly addresses that desire. While there’s no traditional frosting, the cake still boasts an irresistible sweet sheen and a lovely texture from a generous topping of melted chocolate chips. It’s as simple as scattering a bunch of vegan chocolate chips over the batter before it goes into the oven. They melt beautifully, creating a simple, yet decadent, glaze that enhances every bite.
Another fantastic perk is that this recipe yields a generous 9×13-inch cake, making it absolutely perfect for sharing. Whether you’re bringing it to a potluck, serving it at a family gathering, or simply want to spread some joy, there’s plenty to go around. Perhaps you can even offer a delicious slice of the finished cake to your zucchini-supplying neighbors – a sweet incentive to keep those gorgeous green vegetables coming your way! It’s a wonderful way to give back and ensure a continuous supply of this delightful ingredient for your future allergy-friendly baking adventures.

Commonly Asked Questions on Making Chocolate Zucchini Cake Allergy-Friendly:
Creating an allergy-friendly chocolate zucchini cake might seem daunting if you’re new to specialized baking, but with these insights, you’ll find it incredibly straightforward and rewarding. Here are some frequently asked questions to guide you through the process:
- How did you make it gluten-free? I successfully substituted regular wheat flour with a high-quality gluten-free flour blend. For optimal texture and structure in baked goods like this cake, I highly recommend incorporating a small amount of xanthan gum. While I find this homemade blend to work exceptionally well, you can absolutely use a reputable store-bought pre-made blend. A crucial tip: if your chosen store-bought blend already contains xanthan gum (many do), remember to omit the additional xanthan gum listed in my recipe to prevent a gummy texture.
- How do you make the cake egg-free? Among the various egg replacers available, I particularly favor using flax eggs for this chocolate zucchini cake. Flax eggs, made from ground flax seeds and warm water, not only act as an excellent binder but also contribute additional moisture to the cake, enhancing its rich texture. As an added bonus, flax seeds are a fantastic source of beneficial Omega-3 fatty acids, boosting the nutritional profile of your dessert.
- Can I use another oil? Absolutely! I frequently switch between using coconut oil and canola oil, depending on what I have readily available in my pantry. Both work wonderfully in this recipe. However, if you or someone you’re baking for has a coconut allergy, I highly recommend opting for canola oil or any other neutral-flavored oil like grapeseed or vegetable oil to avoid any allergic reactions and maintain the cake’s delicious flavor profile.
- Do I need to drain the zucchini? No, there’s no need to drain the shredded zucchini for this recipe. The moisture from the zucchini is actually a key component in keeping this cake incredibly moist and tender, especially when baking gluten-free. Simply shred the zucchini, measure the required amount, and incorporate it directly into your batter. For efficiency and ease, I prefer using a food processor for shredding, as it saves a lot of time and effort. If you don’t have one, a traditional box grater will work just as well, requiring a little more manual effort.
- What if I’ve never used grated zucchini in a recipe before? It’s incredibly simple! First, thoroughly wash the zucchini. Then, you can grate the entire vegetable, including the skin. The skin provides additional nutrients and color without affecting the cake’s taste or texture. If you happen to have an unusually large zucchini with very prominent, tough seeds, I might scoop those out before grating. However, for most zucchinis, I leave them in, as my electric food processor effectively breaks down everything into fine shreds.
- What do I do with leftover grated zucchini? This recipe typically calls for about two small zucchinis or roughly half of a large one, which often leaves you with extra shredded zucchini. Don’t let it go to waste! Simply place the remaining shredded zucchini into an airtight freezer bag and store it in your freezer. This makes it incredibly convenient for future baking endeavors. When you’re ready to use it again, thaw it in a colander, allowing any excess moisture to drain away completely before adding it to your next recipe.
- If I can have wheat, can I substitute regular flour? Yes, absolutely! If wheat isn’t an issue for you, you can substitute the gluten-free flour blend with an equal amount of all-purpose wheat flour. In this case, you will also need to omit the xanthan gum, as it’s typically used to provide structure in gluten-free baking that wheat flour naturally possesses.
- If I can have eggs, can I use them? Yes, you can! If you don’t require an egg-free recipe, simply use two standard large eggs in place of the flax eggs specified in the recipe. The recipe will still yield a delicious and moist cake.
- If you have leftover zucchini and can consume eggs, consider trying my friend Katie’s delightful recipe for chocolate chip zucchini bread. It’s another excellent way to use up your garden surplus!
- If you’re seeking a chocolate cake that avoids refined sugar, I highly recommend checking out my friend Erin’s recipe at FoodDoodles for her amazing Healthy Chocolate Cake.
- For a unique twist, if you’re interested in making zucchini bread pancakes, The Helpful GF has a fantastic recipe to try out.
- To learn more about preserving your zucchini harvest, see how to freeze zucchini if you have additional leftovers.
I sincerely hope that this allergy-friendly version of chocolate zucchini cake brings immense joy to you, your family, and anyone with dietary restrictions, allowing everyone to savor a rich, decadent slice of truly inclusive dessert. Because, let’s face it, sometimes you just absolutely need that satisfying, stick-to-the-roof-of-your-mouth slice of chocolate cake, perfectly paired with a tall glass of your favorite safe milk! Happy desserting, my friends! Please be sure to share this wonderful recipe with your gluten-free, vegan, or other food-allergy-aware friends – sharing is caring, and I want to ensure these accessible recipes reach everyone who needs them and deserves a delicious treat!

Gluten-free Vegan Chocolate Zucchini Cake (Top-8-free too!)
9×13
20 minutes
40 minutes
1 hour
Moist, dense chocolate cake covered in a thick layer of dark chocolate morsels is what the end of your summer needs. Use up that zucchini your neighbor ding dong ditched you with and turn it into an amazing dessert. This allergy-friendly Gluten-free Vegan Chocolate Zucchini Cake is free of: gluten, wheat, dairy, eggs, soy, peanuts & tree nuts. It’s also vegan and top-8-free too! Cake for everyone!
Ingredients
- 2 and 1/2 cups gluten-free flour
- 1 and 3/4 cup sugar
- 5 Tablespoons cocoa
- 1 tsp baking soda
- 1/2 tsp baking powder
- 1/2 tsp xanthan
- 1/2 tsp cinnamon
- 1/4 tsp salt
- 3/4 cup melted coconut oil
- 2 flax eggs (2 Tbsp ground flax seeds + 5 TBSP warm water)
- 1 Tbsp vanilla
- 1/2 cup rice milk
- 2 cups grated zucchini
- 2 cups dairy-free chocolate chips
Instructions
- Lightly grease a glass 9×13 baking dish and set it aside. Preheat your oven to 350 degrees F.
- In a stand mixer (or large mixing bowl) add all of your dry ingredients: gluten-free flour, sugar, cocoa, baking soda, baking powder, xanthan, cinnamon and salt. Stir to combine.
- Next, add your wet ingredients: flax eggs, oil, vanilla and rice milk. Stir to combine. It will be thick.
- Finally, add in your grated zucchini. Stir until everything is mixed.
- Pour into the greased 9×13 pan. Sprinkle on top the dairy-free chocolate chips. I like to be very generous and find I almost use an entire bag–do according to taste for you.
- Bake for 35-40 minutes, or until edges are done and the top in the middle of the cake springs back to touch.
- Allow it to cool before cutting. Store room temperature, in an air tight container. Will keep 2-3 days.
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Explore More Allergy-Friendly Chocolate Desserts!
If you’re looking for other delectable chocolate treats that cater to dietary restrictions, you’re in luck! We have a collection of amazing recipes:
Gluten & Dairy-free Triple Chocolate Pie
Chocolate Sheet Cake (Top-8-free, Vegan)
The Best Gluten-free Vegan Brownies