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    Home » Cakes

    Brown Butter Zucchini Cake

    By Elizabeth Waterson // Jul 21, 2020 (Updated Sep 26, 2024) // Leave a Comment

    Jump to Recipe·Leave a Review
    This post may contain affiliate links, which may pay me a small commission for my referral at no extra cost to you! Thank you for supporting Confessions of a Baking Queen!

    193 shares
    two pieces of zucchini snack cake stacked on top of each other on a wire rack on a grey surface

    This brown butter zucchini cake is the perfect treat at any time of day! You would never know this cake is full of zucchini, what a great way to get some veggies in for the day! Brown butter takes the flavor profile of this easy snack cake to the next level! Step-by-step photos show you how to bake this delicious zucchini cake!!

    fork taking a bite out of brown butter zucchini snack cake on a small plate next to a cup of coffee on a grey surface

    Can we all just bow down to zucchini and how it bakes up the best treats. I truly get shocked by it but then again I guess it's just like how we all love carrot cake.

    For me baking, all cooking really, is all about sharing with loved ones. When I made this recipe my sister was like eh okay I'll try a bite, then she fell in love. Zucchini provides such a moist and delicious cake, then you add the brown butter and we are all weak at the knees!

    two pieces of zucchini snack cake stacked on top of each other on a wire rack on a grey surface

    Let's get to the brown butter zucchini cake recipe

    Jump to:
    • Ingredients
    • Instructions
    • How to freeze
    • Can you double
    • More zucchini recipes
    • Recipe Card
    • Recipe Ratings & Comments
    three zucchinis on a grey surface

    Ingredients

    This recipe calls for mostly pantry staples, it's going the extra mile with browning the butter that makes this cake extra delicious.

    • Salted Butter. We are going to brown the butter for both the cake and the glaze. Browning butter is not hard if you want to check out this in-depth post on how to brown butter. You could use vegetable oil if you don't feel like using butter, but I'd use 4oz, not 5oz. When browning the butter some of it will evaporate hence the need for one more ounce.
    • Sugar. Just good old granulated white sugar.
    • Pure Vanilla Extract. Use the real stuff, trust me!
    • Large Eggs. To get your eggs to room temperature quickly just place them in a bowl of warm water for 5-10 minutes before using. You want the eggs at room temperature so they incorporate evenly with the butter and sugar mixture.
    • Zucchini. Just use a cheese grater to get the size I use in this cake. Grated zucchini blends right into the batter.
    • Flour. You only need all-purpose flour also known as plain flour.
    • Baking Soda. This is the chemical leavening agent that will help the cake rise when baking.
    • Salt. Don't skip it, trust me!
    • Confectioners Sugar. Also known as powdered sugar or icing sugar this is what will make the glaze.
    • Vanilla Bean Paste. You could use regular vanilla extract but using the paste gives the glaze a beautiful appearance.
    • Heavy Whipping Cream. We only use a little bit but it makes the brown butter glaze so creamy and delicious!!

    I totally think chocolate chips would be a great addition, I would add about a cup of chocolate chips. You'll also find my zucchini cakes with ground cinnamon or walnuts, if you'd like add 1 ½ teaspoons of ground cinnamon to the dry ingredients and then fold in up to 1 cup of walnuts, I prefer roasted nuts, into the batter.

    Try the pumpkin spice cake version of this!

    bite taken out of a slice of zucchini cake leaned up against a wire rack with more cake on a grey surface

    Instructions

    First things first preheat the oven to 350F/180C. If your oven is not properly heated your cake will not rise. Now line an 8-inch square pan with aluminum foil or parchment paper and grease all over to prevent sticking to the lining. Lining the pan with foil or parchment will help you lift the cake out of the pan once it has baked and cooled.

    In a saucepan add the butter and cook on low/medium heat for a few minutes, stirring frequently until the butter has browned, be careful it can burn easily. Check out this post on how to brown butter.

    glass bowl with brown butter and sugar in on a grey surface with a white and blue linen

    Pour the browned butter into a large heatproof bowl and add sugar, mix together then let cool for 5 minutes, I like to place my bowl in the fridge.

    Next you'll add the eggs and vanilla, make sure to mix well, you don't want any sign of yolk left.

    eggs and vanilla added to butter sugar mixture in a glass bowl on a grey surface
    liquid ingredients for zucchini snack cake in a glass bowl on a grey surface

    Make sure to use a packed cup of shredded zucchini, this means use your hands to pack the zucchini in, so you get the most you can out of a cup measurement. As you can see in the photo I like the size of just normal grated cheese.

    shredded zucchini packed into a metal measuring cup on a grey surface

    Fold in the shredded zucchini. Make sure to scrape down the sides of the bowl to ensure everything is evenly combined.

    shredded zucchini added to wet ingredients for a cake recipe inside a glass bowl on a grey surface

    Now for the dry ingredients. I don't like to have to wash another bowl so just go ahead and sprinkle the four, baking soda, and salt on top of the wet ingredients. Use a spatula to gently fold together, do not over mix. Overmixing cake batter activates the gluten creating a tougher cake.

    hand folding dry ingredients into cake batter in a glass bowl on a grey surface with a white and blue linen

    Pour the batter into the prepared cake pan.

    zucchini snack cake in a parchment lined baking tin before baking sitting on a grey surface with a white and blue linen

    Bake for 22-30 minutes, or until a toothpick inserted in the center comes out with no wet batter, moist crumbs are okay. Let cool on a wire rack until completely cooled.

    In a small saucepan brown the butter. Pour butter into a heatproof bowl to prevent further browning, whisk in the powdered sugar, the mixture will clump up, that's totally fine. You want to beat powdered sugar into the butter.

    brown butter in a glass bowl mixed with powdered sugar using a whisk sitting on a grey surface

    Add in the vanilla bean paste and two tablespoons of cream, whisk to combine.

    brown butter in a glass bowl mixed with powdered sugar using a whisk sitting on a grey surface

    Depending on how much you browned your butter the liquid content will differ, hence the measurements of the varying ingredients for this glaze. Use your best judgment if your mixture is too thick add a bit more cream if your mixture is too thin add a bit more powdered sugar.

    You are looking for a glaze that drizzles down but holds its drizzle shape, like in the photo below.

    brown butter glaze in a small glass bowl on a grey surface

    Pour the glaze on top of the cooled zucchini cake. I like to use an angled spatula to gently spread the frosting into an even layer.

    hand holding an angled spatula spreading brown butter glaze on top of zucchini cake on a grey surface

    Let the frosting set for 30 minutes at room temperature or 15 in the fridge.

    There you have it my Brown Butter Zucchini Cake.

    Any leftovers can be stored in an air-tight container for up to 3 days.

    close up of pieces of zucchini snack cake on a wire rack with one sticking up showing the cake texture

    How to freeze

    When it comes to most things I prefer freezing without the frosting/ or glaze. Frostings and glazes can thaw funny so I find it best not to even bother.

    You can totally freeze the actual zucchini cake though. Let the cake cool completely then wrap in plastic wrap very tightly, do this part twice so ensure not air/ freezer bite can get into the cake.

    To thaw the cake place it in the fridge overnight or let sit on the counter at room temperature for a couple of hours.

    If yo want to freeze slices of cake just wrap them once in plastic wrap then place all of the pieces in a freezer safe bag.

    Can you double

    Doubling the recipe should not be a problem. You'll want to use a 9"X13" pan and you'll want to bake it for 35-45 minutes, I would check at 30 minutes to see how far a long you are. A toothpick inserted should come out with no wet batter, moist crumbs are okay.

    brown butter zucchini cake in a metal pan on a grey surface with a cup of coffee, glass of milk, plate with forks, and a knife

    More zucchini recipes

    My love for zucchini baking started with this chocolate chunk zucchini bread, it is my sisters all time favorite quick bread, she makes it herself all the dang time!!

    If you're looking for an extra chocolate fix try this double chocolate zucchini cake, you will never know there is zucchini in there!

    And if you're after lemon this lemon zucchini cake is so light and tasty!

    ★★★★★ Please let me know if you make this recipe by leaving a star rating and comment below!

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    brown butter zucchini cake in a metal pan on a grey surface with a cup of coffee, glass of milk, plate with forks, and a knife

    Brown Butter Zucchini Cake

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    This brown butter zucchini cake is the perfect treat at any time of day! You would never know this cake is full of zucchini, what a great way to get some veggies in for the day! Brown butter takes the flavor profile of this easy snack cake to the next level! Step-by-step photos show you how to bake this delicious zucchini cake!!

    • Total Time: 35 minutes
    • Yield: 9 Pieces 1x

    Ingredients

    Units Scale

    Zucchini Cake

    • 5oz (½ Cup + 2 Tablespoons) Salted Butter
    • 150 grams (¾ Cup) Granulated Sugar
    • 2 Teaspoons Pure Vanilla Extract
    • 2 Large Eggs, at room temperature
    • 1 cup Packed Zucchini, shredded
    • 188 grams (1 ½ Cups) All-Purpose Flour/ Plain Flour
    • 1 Teaspoon Baking Soda
    • ½ Teaspoon Salt

    Brown Butter Glaze

    • 2oz (¼ Cup) Salted Butter
    • 120 Grams-180 Grams (1- 1 ½ Cups) Confectioners Sugar
    • 2 Teaspoons Vanilla Bean Paste
    • 2-5 Tablespoons Heavy Whipping Cream

    Instructions

    Zucchini Cake

    1. Preheat the oven to 350F/180C and line an 8-inch square pan with aluminum foil or parchment paper and grease all over to prevent sticking to the lining. Set aside.
    2. In a saucepan add the butter and cook on low/medium heat for a few minutes, stirring frequently. Check out this post on how to brown butter.
    3. Pour browned butter into a large heatproof bowl and add sugar, mix together then let cool for 5 minutes, I like to place my bowl in the fridge. Add eggs, one at a time, then add the vanilla in with the last egg. Fold in shredded zucchini. Make sure to scrape down the sides of the bowl to ensure everything is evenly combined.
    4. Sprinkle four, baking soda, and salt on top of wet ingredients then use a spatula to gently fold together, do not over mix. Pour batter into the prepared cake pan.
    5. Bake for 22-30 minutes, or until a toothpick inserted in the center comes out with no wet batter, moist crumbs are okay. Let cool on a wire rack.

    Brown Butter Glaze

    1. In a small saucepan brown the butter, once browned whisk in the powdered sugar, the mixture will clump up, that's totally fine. Add in the vanilla bean paste and two tablespoons of cream, whisk to combine.
    2. Depending on how much you browned your butter the liquid content will differ, hence the measurements of the varying ingredients for this glaze. Use your best judgment if your mixture is too thick add a bit more cream if your mixture is too thin add a bit more powdered sugar.
    3. Pour on top of the cooled zucchini cake use an angled spatula to gently spread the frosting into an even layer. Let the frosting set for 30 minutes at room temperature or 15 in the fridge. Leftovers can be stored in an air-tight container for up to 3 days.

    Equipment

    square baking pan

    8 Inch Square Baking Pan

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    • Author: Elizabeth Waterson
    • Prep Time: 10
    • Cook Time: 25
    • Category: Dssert
    • Method: Bake
    • Cuisine: American

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    Hiya! I am Elizabeth Waterson, welcome to my treat-filled site. After spending 15 years in the restaurant industry and growing up baking, I wanted to share my love of baking with you all. My step-by-step tutorials will help you learn how to bake at home. Confessions of a Baking Queen (CBQ) has been featured in CBS LA, HuffPost Taste, BuzzFeed, Taste of Home, and more! Here you will find loads of sweet recipes with a few savory ones for good measure. Feel free to message me with any questions! Happy Baking! 

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