Blueberry Zucchini Poke Cake [VIDEO]

Catalina Castravet
By Catalina Castravet
4.84 from 6 reviews

Poke Cakes The 50 Best Cake Recipes

Cook time Cook time: 40 minutes

Last updated on June 18th, 2021 at 05:54 pm

Blueberry Zucchini Poke Cake is so tender, moist and delicious. Made with zucchini, olive oil and lots of fresh lemons, this cake is just amazing!

Poke Cakes are very popular on the blog because they are so easy to make, look stunning and taste delicious. Having already so many tasty poke cakes, like this Strawberry Poke CakeGerman Chocolate Poke Cake, and Baileys Poke Cake, it only made sense to add a Blueberry Zucchini version to the mix.

Homemade Blueberry Zucchini Poke Cake

Blueberry Zucchini Poke Cake is the only cake I want to eat all summer long. The cake is very, very easy to make, so don’t be fooled by it’s pretty look. I have said it many times on the blog that I am a huge fan of moist and tender cakes. This Blueberry Zucchini Poke Cake is so tender, it melts in your mouth.

The cake is packed with grated zucchini, lots of fresh lemon zest and juicy blueberries. The olive oil gives it an incredibly rich and moist crumb. The cake is moistened using a sweet white chocolate sauce and topped with refreshing lemon buttercream.

Looking for more Poke Cake recipes? Check these out!

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Blueberry Zucchini Poke Cake Recipe Tips:

  • Make sure you drain as much water as possible from the zucchini. After I grated them, I placed them in between two cloth towels and pressed really hard to squeeze all the water.
  • When you measure the grated the zucchini, make sure you do it AFTER you squeezed the water. Pack the cups tightly with grated zucchini. I used 1 1/2 medium zucchini.
  • Using a cake mix will reduce the prep time. You can use the Yellow Cake mix or White Cake mix.
  • Also, Do NOT use frozen blueberries in this recipe, their water content is too high. Use fresh blueberries.
  • Similarly, you can skip the blueberries or replace them with fresh blackberries, raspberries or diced apples.
  • Based on reference, you can add 1/2 cup of chopped walnuts or pecans into the batter.
  • Let the cake absorb the white chocolate mixture for at least 8 hours in the fridge before serving, this will make the cake extra tender.
  • Keep the cake refrigerated as the frosting will soften if kept at room temperature for too long.
  • You can either pipe the frosting on top of the cake, or just spread it evenly with a spatula.
  • Clean the knife after each cut, otherwise, the slices will be messier, since the frosting may stick to the knife.

Tools/Ingredients I used to make this Blueberry Zucchini Poke Cake Recipe:

  • Non-Stick Baking Pan – I use this 9×13 pan for many recipes, brownies, fudge and blondies, the quality is great and it will last you a long time
  • Vanilla Extract – love this vanilla extract, the flavor is great, I always have some on hand
  • White Chocolate Chips – I use these all the time, they taste great in cookies and are perfect to melt with condensed milk

Here is a step by step video of the recipe for you:

Blueberry Zucchini Poke Cake is so tender, moist and delicious. Made with zucchini, olive oil, lots of fresh lemon zest and juicy blueberries.

Blueberry Zucchini Poke Cake

Blueberry Zucchini Poke Cake is so tender, moist and delicious. Made with zucchini, olive oil, lots of fresh lemon zest and juicy blueberries. 
4.84 from 6 votes
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Prep Time: 30 minutes
Cook Time: 40 minutes
Total Time: 1 hour 10 minutes
Servings: 16 serv
Calories: 588kcal
Author: Catalina Castravet


  • 3 eggs (lightly beaten)
  • 1 cup olive oil
  • 1 tablespoon vanilla extract
  • 1-2 cups white granulated sugar (*)
  • 2 cups finely shredded and drained zucchini
  • zest from one lemon
  • juice from one lemon
  • 3 cups all-purpose flour
  • 1 teaspoon salt
  • 2 teaspoons baking powder
  • 1 pint fresh blueberries (save about 10-12 for garnish)

White Chocolate Mixture:

  • 14 oz sweetened condensed milk
  • cups white chocolate chips


  • 1 8 oz cream cheese block (room temperature)
  • 1 cup 2 sticks/226 grams unsalted butter, room temperature
  • 1 teaspoon vanilla extract
  • ½ teaspoon salt
  • 4 cups powdered sugar (more if needed to thicken)
  • 1 tablespoon lemon juice
  • 1 tablespoon lemon zest


  • Preheat oven to 350°F. Place oven rack in the middle of the oven.
  • Spray a 9x13 inch cake pan with non-stick baking spray and set aside.
  • Grate the zucchini, place between cloth towels, press and squeeze all the water. Measure two cups and set aside.
  • Add the eggs to a large bowl and beat slightly. Add the sugar, vanilla and olive oil. Using a hand mixer beat until well combined.
  • Add the grated zucchini, lemon juice, and lemon zest, fold in with a spatula until well combined.
  • Add the flour, baking powder, and salt, using a spatula fold in until all combined.
  • Add the blueberries, using a spatula gently fold them in until all combined.
  • Pour batter into the prepared pan and bake for 30-40 minutes, or until a toothpick comes out with just a few moist crumbs. I baked mine for exactly 40 minutes.
  • Remove cake from oven. Immediately, using the end of a spatula or a large straw, even a pen will work if you don't have anything on hand, poke holes all over the cake.

Chocolate Mixture:

  • In a medium, microwave-safe bowl, combine white chocolate chips and sweetened condensed milk. Heat in the microwave until hot for about 1 minute, stir and heat 30 seconds or more if needed. Whisk until fully combined, smooth and shiny.
  • Pour the chocolate mixture all over the cake and using a spatula spread it evenly into the holes.
  • Let the cake cool completely before topping with frosting.


  • Using an electric mixer or stand mixer fitted with the whisk attachment, cream together cream cheese and butter on medium speed until smooth with no lumps, about 1 minute. Stop once to scrape the sides and bottom of the bowl with a spatula.
  • Add in vanilla extract, lemon juice, lemon zest and salt, continue mixing until combined.
  • With the mixer speed on medium-low, gradually add in the powdered sugar. Increase mixer speed to medium-high and beat until combined. Stop once to scrape the sides and bottom of the bowl with a spatula.
  • If frosting is too thick, you can add in one or two teaspoons of milk. If frosting is too thin, you can add in more powdered sugar, ⅓ cup at a time, but make sure you first taste it, so you don't make it too sweet. Also, consider that the frosting may look thin, but it will harden/settle once chilled.
  • Top the cake with the frosting. Garnish with fresh blueberries.
  • Refrigerate the cake for at least 6-8 hours before serving.
  • Enjoy!


*Use between 1-2 cups of sugar. 1 cup is enough and if you use 2 cups, the cake will be very sweet. It comes down to how sweet you like your desserts.
*The preparation time does NOT include cooling and refrigeration of the cake.


Serving: 0g | Calories: 588kcal | Carbohydrates: 90g | Protein: 9g | Fat: 21g | Saturated Fat: 12g | Cholesterol: 75mg | Sodium: 394mg | Potassium: 374mg | Fiber: 1g | Sugar: 70g | Vitamin A: 555IU | Vitamin C: 9.7mg | Calcium: 200mg | Iron: 1.6mg
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I am not fond of white chocolate anything else I can use? Also I would like whipped cream on top instead of the frosting is that possible. Thank you.



I really love this recipe. The texture is fantastic, and the flavors are so delicious.



Absolutely amazing! I recommend this recipe to everyone, it was so good!


Erin | Dinners, Dishes and Dessert

This looks totally irresistible! I would love to make this!


katerina @

I would love to try this!! The perfect summer dessert!


Beti | easyweeknightrecipes

YUM! This sounds incredibly delicious!! My family would love it!



This cake was a huge hit at my house!! They can't wait for me to make it again!


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