Name: Chocolate Zucchini Cake with Matcha Cashew Frosting Recipe
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Cuisine: American
Ingredients: 1 tablespoon ground flaxseed; 3 tablespoons water; 2 teaspoons apple cider vinegar; 1 cup almond milk, at room temperature; 2 cups all-purpose flour (or half white/half wheat); ⅓ cup cocoa powder; 1 tablespoon baking powder; 1 teaspoon baking soda; ½ teaspoon sea salt; ¼ cup coconut oil, melted; ⅔ cup maple syrup; 1 teaspoon vanilla extract; 1¼ cups finely shredded unpeeled zucchini; 1¼ cups raw cashews; ¼ cup + 2 tablespoons almond milk; ¼ cup powdered sugar; 2 tablespoons solid coconut oil; 1 teaspoon vanilla extract; ¼ to ½ teaspoon matcha tea powder; ¼ teaspoon sea salt

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If you’re on the hunt for a dessert that perfectly marries rich chocolate indulgence with a subtle fresh twist, look no further than this Chocolate Zucchini Cake with Matcha Cashew Frosting Recipe. This cake is a lovely surprise — incredibly moist thanks to shredded zucchini, fudgy with cocoa, and topped with a vibrant, creamy matcha-infused cashew frosting that adds a delightful touch of earthiness. Whether you’re baking for a cozy get-together or just treating yourself, this recipe proves that veggie desserts can be utterly crave-worthy and stunningly unique.

A white tray with a white marbled texture underneath holds several clear and white bowls and two eggs. The top row has a white bowl filled with white flour, a clear measuring cup with milk, and a clear bowl with golden oil. Below, there is a small round orange bowl filled with dark brown cocoa powder. Next to it are two eggs placed side by side. Below the eggs is a single medium-sized green zucchini. The bottom row on the left has a white bowl filled with small chocolate chips and a white bowl filled with light brown sugar. There are three empty clear round measuring cups in the lower left corner. The items are neatly arranged and viewed from above. Photo taken with an iphone --ar 4:5 --v 7

Ingredients You'll Need

Every ingredient in this recipe is simple yet essential, working together to create a cake that’s rich, moist, and bright with fresh flavor. From the humble zucchini that keeps it wonderfully tender, to the matcha powder that elevates the frosting with an unexpected pop of green, each component plays a vital role in making this dessert unforgettable.

Ground flaxseed: Acts as a fantastic vegan binder, giving the cake structure without eggs.
Water: Helps the flaxseed turn into a gel, perfect for binding.
Apple cider vinegar: Reacts with baking soda to give the cake a lovely lift and tenderness.
Almond milk: Adds moisture and a subtle nutty flavor, perfect in both batter and frosting.
All-purpose flour: The backbone of the cake, providing necessary gluten for structure; using half whole wheat is also a fantastic option.
Cocoa powder: Loads the cake with deep chocolate flavor and rich color.
Baking powder and baking soda: Essential leavening agents to ensure your cake rises beautifully.
Sea salt: Enhances all the flavors and balances sweetness.
Coconut oil: Adds richness and a tender crumb to the cake.
Maple syrup: A natural sweetener that complements the chocolate with a gentle caramel note.
Vanilla extract: Lifts the chocolate and ties all flavors together wonderfully.
Finely shredded zucchini: The secret weapon for serious moistness and tenderness without overpowering the chocolate.
Raw cashews: Base for the silky frosting, lending creaminess and subtle nuttiness.
Powdered sugar: Sweetens the frosting perfectly while keeping it smooth.
Matcha tea powder: Gives the frosting its gorgeous green hue and a gentle, earthy flavor twist that pairs beautifully with chocolate.

How to Make Chocolate Zucchini Cake with Matcha Cashew Frosting Recipe

Step 1: Prepare the Flax Egg and Milk Mixture

Start by combining the ground flaxseed with water in a small bowl, letting it thicken into a gel-like consistency. This flax "egg" lends the cake structure without any eggs involved. Meanwhile, stir apple cider vinegar into room temperature almond milk, setting it aside to mimic buttermilk’s tenderizing effect. These foundational mixtures ensure your cake will have the perfect rise and texture.

Step 2: Combine Dry Ingredients

In a large bowl, whisk together the flour, cocoa powder, baking powder, baking soda, and sea salt. These dry ingredients lay the groundwork for your cake’s rich, chocolaty flavor and beautiful rise, so be sure to mix them thoroughly for even distribution.

Step 3: Mix Wet Ingredients

In a separate bowl, blend the thickened flaxseed, almond milk/vinegar mix, melted coconut oil, maple syrup, and vanilla extract. This luscious combination brings moisture, mild sweetness, and richness to the cake batter, setting it apart from ordinary chocolate cakes.

Step 4: Combine Wet and Dry, Fold in Zucchini

Pour the wet ingredients into the bowl with your dry mixture and stir gently until just combined — be careful not to overmix, to keep the cake tender. Then fold in the finely shredded zucchini, which adds moisture and a subtle fresh flavor, making every bite perfectly moist without overpowering chocolate’s depth.

Step 5: Bake to Perfection

Transfer the batter to a greased 9x13-inch baking dish and place it in a 350°F oven. Bake for 30 to 35 minutes, checking for a springy top that signals it's perfectly done. Once baked, allow the cake to cool completely before moving on to the luxurious frosting.

Step 6: Create the Matcha Cashew Frosting

While the cake cools, blend raw cashews, almond milk, powdered sugar, solid coconut oil, vanilla extract, matcha powder, and sea salt in a high-speed blender until silky smooth. The matcha adds a subtle, earthy brightness that beautifully contrasts the deep chocolate cake. Chill the frosting for at least 20 minutes to let it firm up and develop its creamy texture before spreading.

How to Serve Chocolate Zucchini Cake with Matcha Cashew Frosting Recipe

A dark brown chocolate cake with green frosting on top is shown, with the cake cut into squares. One piece of the cake is placed on a white scalloped plate in the front, showing its moist, crumbly texture inside. The green frosting is smooth and spread evenly over the top of each cake piece. A silver fork rests on the plate beside the cake piece. In the background, the rest of the cake sits on a cooling rack lined with white parchment paper. A clear glass filled with milk is also placed behind the plate on a white marbled surface with white subway tiles in the background. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

To make this dessert truly celebratory, sprinkle some toasted coconut flakes, cacao nibs, or a light dusting of additional matcha powder on top. These little touches add texture and a pop of color that will wow any guest or brighten your day.

Side Dishes

This cake pairs wonderfully with a cup of hot green tea or a dollop of coconut whipped cream. For a refreshing twist, serve alongside a simple mixed berry salad that echoes the natural sweetness and adds a juicy bite.

Creative Ways to Present

Instead of a traditional slab cake, consider slicing into squares and layering with frosting in a pretty trifle dish for an impressive dessert bowl. Or, cut the cake into mini squares and serve on decorative toothpicks as bite-sized treats at your next gathering.

Make Ahead and Storage

Storing Leftovers

Keep any leftover Chocolate Zucchini Cake with Matcha Cashew Frosting Recipe covered tightly in the refrigerator. It stays fresh for up to five days, allowing the flavors to meld deliciously even more as time passes.

Freezing

This cake freezes beautifully without compromising texture or flavor. For best results, freeze the unfrosted cake layer wrapped tightly in plastic wrap and foil. Freeze the frosting separately in an airtight container. Thaw both in the refrigerator before assembling.

Reheating

If you prefer your slice at room temperature, take it out of the refrigerator about 30 minutes prior to serving. Avoid reheating in the microwave as it may affect the frosting’s creamy texture, but a gentle warm-up on the counter enhances flavor and softness.

FAQs

Can I substitute the all-purpose flour?

Absolutely! You can use a blend of whole wheat and all-purpose flour for added fiber, or even experiment with gluten-free blends if needed. Just keep in mind texture may vary slightly.

Is it necessary to peel the zucchini?

Not at all. Keeping the zucchini unpeeled adds nutrients and color to the batter, and when shredded finely, the skin blends right in without affecting texture.

Can I make the matcha frosting without nuts?

The cashews are key for the creamy texture, but you could try substituting with soaked sunflower seeds for a nut-free version. The flavor and texture will be slightly different but still delicious!

How do I know when the cake is done?

The cake is perfectly baked when the top springs back gently to the touch and a toothpick inserted into the center comes out mostly clean, with just a few moist crumbs.

Can I make this cake vegan and dairy-free?

Definitely! This recipe is naturally free of dairy and eggs, thanks to flaxseed and plant-based milks. Ensure your powdered sugar is vegan-friendly to keep it fully plant-based.

Final Thoughts

This Chocolate Zucchini Cake with Matcha Cashew Frosting Recipe is a delightful twist on classic cake that you’re going to want to keep in your baking repertoire. It’s rich but light, familiar yet intriguingly fresh, and as fun to make as it is to eat. I can’t wait for you to try it—you may just find your new favorite dessert that surprises everyone, including yourself!

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Chocolate Zucchini Cake with Matcha Cashew Frosting Recipe

Ingredients You'll Need

How to Make Chocolate Zucchini Cake with Matcha Cashew Frosting Recipe