This blueberry zucchini cake is a moist, indulgent dessert that’s easy to make and perfect for the whole family. Bursting with fresh blueberries and topped with creamy lemon buttercream, it’s the ultimate sweet treat that’s both healthy and kid-approved!
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The Best Blueberry Zucchini Cake Recipe
Why This Blueberry Zucchini Cake is a Must-Try
The Perfect Blend of Sweet and Savory
This cake perfectly balances sweet blueberries and savory zucchini, creating a delightful flavor profile that will leave your taste buds dancing. Each bite provides a harmonious blend, making it an ideal dessert for any occasion.
Moist Texture from Zucchini
Zucchini adds incredible moisture and tenderness to the cake, ensuring a soft and fluffy texture that’s hard to resist. Even if you’re not a fan of zucchini, you won’t taste it — just the delightful sweetness of blueberries and the luscious frosting.
Bursting with Fresh Blueberries
Each slice is loaded with juicy blueberries, which burst with flavor. Tossing them in flour before adding to the batter prevents them from sinking, ensuring an even distribution throughout the cake for an exquisite experience in every bite.
Ingredients for Blueberry Zucchini Cake
For the Cake Batter
- 3 large eggs
- 1 cup vegetable oil
- 1 Tbsp vanilla extract
- 2 1/4 cups sugar
- 2 cups shredded zucchini
- 3 cups all-purpose flour
- 1 tsp salt
- 1 tsp baking powder
- 1/4 tsp baking soda
- 1 pint blueberries (tossed in 1 tsp flour)
For the Lemon Buttercream Frosting
- 3/4 cup (1 1/2 sticks) unsalted butter, room temperature
- 4 cups confectioners’ sugar
- Fresh lemon juice
How to Make Blueberry Zucchini Cake
Preparing the Cake Batter
Start by preheating your oven to 350°F. Lightly grease and flour a 9×13 baking pan. In a large bowl, beat together eggs, vegetable oil, vanilla extract, and sugar until everything is well blended. Then, gently fold in the shredded zucchini, followed by the blueberries coated in flour for that perfect texture.
Baking the Cake
Pour the batter into the prepared pan and spread it evenly. Bake in the preheated oven for about 30-35 minutes, or until a toothpick inserted in the center comes out clean. Once done, allow the cake to cool completely in the pan.
Making the Lemon Buttercream

While the cake cools, prepare the lemon buttercream. In a mixing bowl, beat the room temperature butter until creamy. Gradually add the confectioners’ sugar and a splash of fresh lemon juice, mixing until fluffy and smooth. This frosting adds a zesty contrast to the sweet cake.
Assembling and Frosting
Once the cake is completely cool, frost it generously with the lemon buttercream. The combination of flavors will tantalize your taste buds, making it irresistible. Slice and serve to your eager family and friends!
Tips for the Perfect Blueberry Zucchini Cake
How to Shred Zucchini for Cake
To shred zucchini effectively, use a box grater or a food processor. Make sure to squeeze out any excess moisture to avoid a soggy cake.
Preventing Blueberries from Sinking
Tossing blueberries in a bit of flour before folding them into the batter will help keep them suspended throughout the cake. This simple trick ensures every bite is packed with flavor.
Ensuring a Moist and Tender Crumb
Using oil instead of butter in the batter contributes to a moist and tender crumb. The zucchini also aids in adding moisture, resulting in a cake that stays fresh longer.
Storing Your Blueberry Zucchini Cake
Store any leftover blueberry zucchini cake in the refrigerator. This helps maintain its freshness and flavor, allowing you to enjoy it for a few days. Just make sure to cover it well to prevent it from drying out.
FAQs
What ingredients do I need for blueberry zucchini cake?
You will need eggs, vegetable oil, vanilla extract, sugar, shredded zucchini, flour, salt, baking powder, baking soda, blueberries, unsalted butter, confectioners’ sugar, and fresh lemon juice.
How do I make blueberry zucchini cake step by step?
Start by preheating the oven and preparing the baking pan. Mix the wet ingredients, fold in zucchini and blueberries, then bake. After cooling, prepare the lemon buttercream and frost the cake.
Can I make blueberry zucchini cake ahead of time?
Yes, you can make the cake ahead of time. Just be sure to store it in the refrigerator until you’re ready to frost and serve it.
How should I store leftover blueberry zucchini cake?
Store leftovers in the refrigerator, covered tightly to keep them fresh and moist.
Related Recipes to try
- Blueberry Zucchini Bread With Lemon Glaze
- Keto Lemon Blueberry Zucchini Bread 2
- Keto Lemon Blueberry Zucchini Bread
- Blueberry Zucchini Bread
- Peanut Butter Chocolate Chip Zucchini Cake 2
- Peanut Butter Chocolate Chip Zucchini Cake
Conclusion
This blueberry zucchini cake is not only simple to whip up but also a delicious way to sneak in some vegetables. Pair it with a cup of tea or coffee for a delightful afternoon treat. If you love the sweetness of blueberries, be sure to check out more delightful recipes on Pinterest for inspiration!

Delicious Blueberry Zucchini Cake Recipe to Delight
Equipment
- skillet
Ingredients
- 3 large eggs
- 1 cup vegetable oil
- 1 Tbsp vanilla extract
- 2 1/4 cups sugar
- 2 cups shredded zucchini
- 3 cups all-purpose flour
- 1 tsp salt
- 1 tsp baking powder
- 1 /4 tsp baking soda
- 1 pint blueberries tossed in 1 tsp flour
- 3 /4 cup (1 1/2 sticks) unsalted butter, room temperature
- 4 cups confectioners’ sugar
- Fresh lemon juice
Instructions
- Preheat oven to 350°F.
- Lightly grease and flour a 9×13 baking pan.
- Beat eggs, vegetable oil, vanilla extract, and sugar until well blended.
- Fold in shredded zucchini.
- Fold in blueberries.
- Bake in prepared pan.
- Allow cake to cool completely.
- Beat butter, confectioners’ sugar, and fresh lemon juice to prepare lemon buttercream.
- Frost the cooled cake.
- Store in the refrigerator.
Notes
– Butter for the buttercream must be at room temperature.
– The cake must be cooled completely before frosting.
– Finished cake should be stored in the refrigerator.




