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Zucchini Brownies

Introduction & Inspiration

I’m always on a mission to find dessert recipes that are not only incredibly delicious but also sneak in a little extra goodness, and these Zucchini Brownies immediately caught my attention! This recipe promises rich, fudgy, chocolatey brownies with the added bonus of hidden grated zucchini for incredible moisture. Plus, it uses a flax egg and coconut oil, making it easily adaptable for those looking for dairy-free or egg-free options without compromising on decadence.

My inspiration for diving into this recipe came from a love for brownies and the cleverness of using zucchini to achieve an ultra-moist texture. It’s a fantastic way to use up summer zucchini, and I was intrigued by how the vegetable would meld into the chocolatey batter. The promise of a fudgy result, topped with more chocolate chips and optional flaky sea salt, sounded absolutely irresistible.

My goal is to guide you step-by-step through making these surprisingly delightful brownies. We’ll cover making the simple flax egg, understanding the unique batter consistency, and baking them to fudgy perfection. These brownies are perfect for anyone looking for a rich chocolate treat with a secret healthy-ish twist!

Let’s get ready to bake some “magical” zucchini brownies!

Nostalgic Appeal / Comfort Food Connection

Zucchini Brownies, while perhaps a more modern twist for some, tap into the deep nostalgic comfort of classic homemade brownies and the clever tradition of “hidden veggie” baking. Brownies themselves are a quintessential American comfort food, loved for their rich chocolate flavor and satisfyingly chewy or fudgy texture. They evoke memories of childhood treats, bake sales, and simple, indulgent pleasures.

The idea of adding vegetables like zucchini to baked goods for moisture and a touch of nutrition also has a certain home-style, resourceful charm. It’s reminiscent of recipes passed down through families, where clever cooks found ways to make treats a little bit better.

This recipe, with its rich cocoa flavor, melted chocolate chips, and familiar brownie format, delivers all the comforting satisfaction of a classic brownie, but with the added benefit of incredible moistness from the zucchini. The optional flaky sea salt on top adds a sophisticated touch that elevates the familiar.

Making and eating these Zucchini Brownies feels like enjoying a classic comfort food with a clever, wholesome secret that makes them even more special.

Homemade Focus (Simple Batter, Surprising Moisture)

This Zucchini Brownies recipe is a wonderful example of creating a decadent, homemade treat from scratch using simple techniques and wholesome additions. You’re crafting a rich chocolate brownie batter, uniquely moistened and texturally enhanced by fresh grated zucchini and coconut oil, along with a simple flax egg for binding.

I love recipes that showcase how basic ingredients can transform into something extraordinary. The brownie batter comes together easily by whisking dry ingredients, then combining them with a mixture of melted coconut oil, vanilla, a thickened flax egg, and, most importantly, the grated zucchini. The recipe cleverly notes that the batter will seem thick and dry at first, but will become smoother and wetter as the zucchini releases its moisture – a fascinating homemade transformation!

Making these from scratch allows you to control the quality of your cocoa powder and chocolate chips, and to appreciate the unique role each ingredient plays. The final sprinkle of more chocolate chips and optional flaky sea salt is a delightful homemade touch.

From grating the zucchini to watching the batter magically moisten itself, this recipe emphasizes easy, satisfying homemade baking that results in incredibly fudgy and flavorful brownies.

Flavor Goal

The primary flavor goal of these Zucchini Brownies is an intensely rich, deep chocolate flavor with an exceptionally moist, dense, and fudgy texture, enhanced by pockets of melted dark chocolate chips and an optional hint of flaky sea salt to balance the sweetness. The zucchini itself should be virtually undetectable in flavor, primarily contributing to the incredible moisture and texture.

The brownie base, made with sifted cocoa powder and melted coconut oil, aims for a rich, decadent chocolate taste. The flax egg provides binding without traditional egg flavor.

The grated zucchini, by releasing its moisture into the batter, is crucial for creating an ultra-moist, almost “gooey” (in the best way!) fudgy crumb.

The dark chocolate chips, both folded into the batter and sprinkled on top, provide bursts of intense melted chocolate.

The optional flaky sea salt sprinkled on top before baking offers a delightful contrast to the sweetness, heightening the chocolate flavor and adding a sophisticated touch. The overall effect is a supremely moist, fudgy, intensely chocolatey brownie with a fantastic texture.

Ingredient Insights

Let’s explore the key components of these moist and fudgy brownies:

  • Ground flaxseed & Water: Combined to create a “flax egg,” which acts as a vegan binder, similar to a traditional egg. Let it thicken for 5 minutes.
  • All-purpose flour: Provides structure. Recipe specifies “spooned and leveled” for accurate measurement.
  • Granulated sugar: Sweetens the brownies.
  • Cocoa powder, sifted: Delivers the deep chocolate flavor. Sifting prevents lumps. Unsweetened Dutch-process or natural cocoa can be used.
  • Baking powder: Provides a little lift for texture, preventing them from being overly dense like fudge.
  • Sea salt: Balances sweetness and enhances chocolate flavor in the batter.
  • Melted coconut oil: The primary fat, contributing to a fudgy texture and subtle richness. Use refined if you don’t want a coconut flavor, or unrefined if you do.
  • Vanilla extract: Enhances the chocolate flavor.
  • Grated zucchini: The secret ingredient for moisture! Do not drain or squeeze out its liquid – that moisture is key. Use a standard box grater (medium holes).
  • Dark chocolate chips: Provide pockets of melted chocolate. Plus more for topping. Chips, chunks, or a chopped dark chocolate bar work.
  • Flaky sea salt (optional): For sprinkling on top, adds a lovely contrast.

Not draining the zucchini and using a flax egg are key to this specific recipe’s texture and characteristics.

Essential Equipment

You’ll need standard brownie baking tools:

  • An 8×8-inch baking pan: Metal is generally preferred for brownies for better heat conduction and crispier edges.
  • Parchment paper: Essential for lining the pan, creating an overhang (sling) for easy removal and clean slicing of these fudgy brownies.
  • Grease (coconut oil or cooking spray): For the pan before lining with parchment.
  • Small bowl: For making the flax egg.
  • Medium bowl: For the dry ingredients.
  • Large bowl: For the wet ingredients and final batter mixing.
  • A Whisk: For dry ingredients and initial wet ingredients.
  • A Rubber spatula or Spoon: For mixing the final batter and spreading it in the pan.
  • A Grater (box grater or food processor with grating disc): For grating the zucchini.
  • Measuring cups and spoons.
  • Wire rack: For cooling the baked brownies completely.

Lining the pan with parchment is highly recommended for easy removal.

List of Ingredients with Measurements

Here’s the complete list of ingredients, with precise measurements (using provided weights where available for clarity):

  • 2 tablespoons ground flaxseed
  • 5 tablespoons water
  • 1¼ cups (approx. 156g if spooned & leveled) all-purpose flour, spooned and leveled
  • 1 cup (200g) granulated sugar
  • ⅔ cup (approx. 60-70g) unsweetened cocoa powder, sifted
  • 1 teaspoon baking powder
  • ½ teaspoon sea salt
  • ½ cup (120ml) melted coconut oil, slightly cooled
  • 1 teaspoon vanilla extract
  • 2 cups grated zucchini, do not drain or squeeze (from about 1-2 medium zucchini)
  • ½ cup dark chocolate chips, plus more for topping (e.g., another ¼ – ½ cup)
  • Flaky sea salt, for sprinkling (optional)

These quantities are perfect for an 8×8 inch pan, yielding fudgy brownies.

Grate zucchini just before using. Ensure coconut oil is melted but not scalding hot.

Step-by-Step Instructions (Fudgy Hidden Veggie Brownies!)

Let’s bake these surprisingly moist and chocolatey zucchini brownies:

1. Preheat Oven and Prepare Pan:

  • Preheat your oven to 325°F (160°C – note: recipe states 325°F, header of previous prompt for similar brownies was 350F. I will use 325°F as recipe states here).
  • Grease an 8×8-inch baking pan. Line it with parchment paper, leaving an overhang on two opposite sides to create a sling for easy removal later.

2. Make the Flax Egg:

  • In a small bowl, stir together the 2 tablespoons of ground flaxseed and 5 tablespoons of water.
  • Set aside for at least 5 minutes to allow it to thicken and become gelatinous.

3. Combine Dry Ingredients:

  • In a medium mixing bowl, whisk together the all-purpose flour, granulated sugar, sifted cocoa powder, baking powder, and ½ teaspoon sea salt until well combined and free of lumps.

4. Combine Wet Ingredients and Zucchini:

  • In a large bowl, whisk together the melted (and slightly cooled) coconut oil and vanilla extract.
  • Add the thickened flax egg mixture to the oil mixture and whisk to combine.
  • Stir in the 2 cups of grated zucchini (remember, do not drain or squeeze it!).

5. Combine Wet and Dry to Make Batter:

  • Add the dry ingredient mixture to the zucchini mixture in the large bowl.
  • Stir with a rubber spatula or spoon to combine as best you can. The recipe notes the mixture will be thick and seem dry at first.
  • Let the batter rest for 1 minute. Stir again. You’ll notice it becomes smoother and wetter as the zucchini releases its moisture into the batter.
  • Continue to stir gently until there are no dry areas of flour remaining and the batter is cohesive. Do not overmix.
  • Gently fold in the ½ cup of dark chocolate chips.

6. Bake the Brownies:

  • Pour the prepared brownie batter into the lined 8×8-inch baking pan.
  • Use a spatula to spread the batter evenly to the corners and smooth the top.
  • Sprinkle the top evenly with more chocolate chips and a pinch of flaky sea salt, if using.
  • Place the pan in the preheated oven. Bake for 45 to 50 minutes. The brownies are done when they are set in the middle and a wooden toothpick inserted into the center comes out clean or with a few moist crumbs attached (not wet batter).

7. Cool Completely (Crucial Step!):

  • Remove the pan from the oven and place it on a wire rack.
  • Let the brownies cool completely in the pan for at least 1 hour, or preferably 2-3 hours (or even longer). This is essential for fudgy brownies to set properly and for clean slicing.

8. Slice and Serve:

  • Once completely cool, use the parchment paper overhang to lift the entire block of brownies out of the pan onto a cutting board.
  • Slice into squares and serve. Enjoy these incredibly moist and fudgy treats!

Patience during cooling is key for the best fudgy texture!

Troubleshooting

Brownies, especially fudgy ones with added moisture, can have nuances:

  • Problem: Brownies are too cakey instead of fudgy.
    • Solution: Overmixing the batter after adding flour can develop too much gluten. Using melted fat (coconut oil) promotes fudginess. Ensure accurate flour measurement (spooned and leveled). Too much leavening could also contribute.
  • Problem: Brownies seem underbaked or overly gooey in the center, even after specified time.
    • Solution: Oven temperatures vary. Zucchini moisture content can also vary. If a toothpick comes out with wet batter, they need more time. Bake for another 5-10 minutes, checking again. They will firm up considerably as they cool.
  • Problem: Zucchini texture or flavor is noticeable.
    • Solution: Ensure zucchini was grated finely enough (standard box grater works well). The chocolate flavor should dominate. If using very large, mature zucchini, the flavor might be stronger; younger, smaller zucchini are milder.
  • Problem: Chocolate chips all sank to the bottom.
    • Solution: The batter is quite thick, which should help suspend them. You can try tossing the chocolate chips lightly with a teaspoon of flour from the measured amount before folding them into the batter.
  • Problem: Brownies are hard to slice cleanly.
    • Solution: They must be cooled completely, preferably even chilled slightly, for the fudgiest, cleanest cuts. Use a large, sharp knife, and wiping the blade clean between cuts can help.

Complete cooling is non-negotiable for perfect fudgy brownie squares!

Tips and Variations

Let’s customize these delicious zucchini brownies:

  • Tip: Use good quality unsweetened cocoa powder (Dutch-process often gives a darker color and richer flavor) and dark chocolate chips for intense chocolate taste.
  • Variation: Add ½ cup of chopped nuts like walnuts or pecans to the batter along with the chocolate chips for extra texture and nutty flavor.
  • Tip: If you don’t have ground flaxseed, you can often grind whole flaxseeds in a clean coffee grinder or spice grinder.
  • Variation: Add other warming spices like ½ teaspoon of ground cinnamon or a pinch of espresso powder to the dry ingredients to enhance the chocolate flavor.
  • Tip: For an even fudgier result, some people prefer to slightly underbake brownies (toothpick has very moist crumbs, not completely dry). Experiment carefully.
  • Variation: Drizzle the cooled brownies with melted chocolate or a simple powdered sugar glaze.
  • Variation (If not strictly vegan/dairy-free): While this recipe leans vegan with flax egg/coconut oil, if you’re not aiming for that, you could use a regular egg and melted butter, though the texture might change slightly.

A fantastic base for many brownie additions!

Serving and Pairing Suggestions

These Zucchini Brownies are rich, fudgy, and satisfying treats.

Serving: Serve at room temperature or slightly chilled (if you prefer a firmer fudge texture), cut into squares.

Pairing:

  • Classic: A tall glass of cold milk (dairy or non-dairy) is the ultimate companion.
  • Coffee/Tea: Perfect with a cup of hot coffee, espresso, or tea for an afternoon pick-me-up.
  • A La Mode: Serve a slightly warmed brownie square with a scoop of vanilla bean ice cream (dairy or non-dairy) for an extra decadent dessert.
  • Fruit: Fresh raspberries or strawberries on the side can provide a nice tart contrast.

Their rich chocolate flavor makes them a hit for any occasion.

Nutritional Information

These brownies feature hidden zucchini and use coconut oil and a flax egg, but are still an indulgent treat with sugar and chocolate. Nutritional info is approximate (per brownie, assuming 16 squares from an 8×8 pan):

  • Calories: 180-250+
  • Fat: 10-18+ grams (significant amount from coconut oil and chocolate chips)
  • Saturated Fat: 7-12+ grams (high from coconut oil)
  • Cholesterol: 0 mg (if using flax egg and no other animal products)
  • Sodium: 100-150+ mg
  • Total Carbs.: 25-35+ grams
  • Dietary Fiber: 2-4 grams (from zucchini, flax, cocoa, flour)
  • Sugars: 15-25+ grams
  • Protein: 2-4 grams

Zucchini adds some fiber and moisture. Coconut oil provides fats. Sugar content is typical for brownies. Using dark chocolate with higher cacao percentage can offer some antioxidant benefits.

Print

Zucchini Brownies

Bake surprisingly fudgy Zucchini Brownies! This easy recipe uses grated zucchini for incredible moisture, plus coconut oil and a flax egg.

  • Author: Evelyn

Ingredients

Scale

Here’s the complete list of ingredients, with precise measurements (using provided weights where available for clarity):

  • 2 tablespoons ground flaxseed
  • 5 tablespoons water
  • 1¼ cups (approx. 156g if spooned & leveled) all-purpose flour, spooned and leveled
  • 1 cup (200g) granulated sugar
  • ⅔ cup (approx. 60-70g) unsweetened cocoa powder, sifted
  • 1 teaspoon baking powder
  • ½ teaspoon sea salt
  • ½ cup (120ml) melted coconut oil, slightly cooled
  • 1 teaspoon vanilla extract
  • 2 cups grated zucchini, do not drain or squeeze (from about 12 medium zucchini)
  • ½ cup dark chocolate chips, plus more for topping (e.g., another ¼½ cup)
  • Flaky sea salt, for sprinkling (optional)

These quantities are perfect for an 8×8 inch pan, yielding fudgy brownies.

Grate zucchini just before using. Ensure coconut oil is melted but not scalding hot.

Instructions

Let’s bake these surprisingly moist and chocolatey zucchini brownies:

1. Preheat Oven and Prepare Pan:

  • Preheat your oven to 325°F (160°C – note: recipe states 325°F, header of previous prompt for similar brownies was 350F. I will use 325°F as recipe states here).
  • Grease an 8×8-inch baking pan. Line it with parchment paper, leaving an overhang on two opposite sides to create a sling for easy removal later.

2. Make the Flax Egg:

  • In a small bowl, stir together the 2 tablespoons of ground flaxseed and 5 tablespoons of water.
  • Set aside for at least 5 minutes to allow it to thicken and become gelatinous.

3. Combine Dry Ingredients:

  • In a medium mixing bowl, whisk together the all-purpose flour, granulated sugar, sifted cocoa powder, baking powder, and ½ teaspoon sea salt until well combined and free of lumps.

4. Combine Wet Ingredients and Zucchini:

  • In a large bowl, whisk together the melted (and slightly cooled) coconut oil and vanilla extract.
  • Add the thickened flax egg mixture to the oil mixture and whisk to combine.
  • Stir in the 2 cups of grated zucchini (remember, do not drain or squeeze it!).

5. Combine Wet and Dry to Make Batter:

  • Add the dry ingredient mixture to the zucchini mixture in the large bowl.
  • Stir with a rubber spatula or spoon to combine as best you can. The recipe notes the mixture will be thick and seem dry at first.
  • Let the batter rest for 1 minute. Stir again. You’ll notice it becomes smoother and wetter as the zucchini releases its moisture into the batter.
  • Continue to stir gently until there are no dry areas of flour remaining and the batter is cohesive. Do not overmix.
  • Gently fold in the ½ cup of dark chocolate chips.

6. Bake the Brownies:

  • Pour the prepared brownie batter into the lined 8×8-inch baking pan.
  • Use a spatula to spread the batter evenly to the corners and smooth the top.
  • Sprinkle the top evenly with more chocolate chips and a pinch of flaky sea salt, if using.
  • Place the pan in the preheated oven. Bake for 45 to 50 minutes. The brownies are done when they are set in the middle and a wooden toothpick inserted into the center comes out clean or with a few moist crumbs attached (not wet batter).

7. Cool Completely (Crucial Step!):

  • Remove the pan from the oven and place it on a wire rack.
  • Let the brownies cool completely in the pan for at least 1 hour, or preferably 2-3 hours (or even longer). This is essential for fudgy brownies to set properly and for clean slicing.

8. Slice and Serve:

  • Once completely cool, use the parchment paper overhang to lift the entire block of brownies out of the pan onto a cutting board.
  • Slice into squares and serve. Enjoy these incredibly moist and fudgy treats!

Patience during cooling is key for the best fudgy texture!

Did you make this recipe?

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Recipe Summary and Q&A

Let’s conclude with a summary and common questions:

Recipe Summary:

Zucchini Brownies are moist, fudgy chocolate brownies made with all-purpose flour, granulated sugar, sifted cocoa powder, leavenings, and sea salt. Melted coconut oil and a flax egg (ground flaxseed + water) provide fat and binding, while grated fresh zucchini (undrained) adds incredible moisture. Dark chocolate chips are folded into the batter and sprinkled on top, with an optional finish of flaky sea salt. They are baked in an 8×8 pan and cooled completely before slicing.

Q&A:

Q: Do I have to use a flax egg? Can I use a regular egg? A: The flax egg makes this batter easily vegan/egg-free. If you’re not concerned about that, you could likely substitute 1 large regular egg, beaten. The texture might be slightly different.

Q: Can you taste the zucchini in the brownies? A: No, not really! When grated finely and baked into a rich chocolate batter, the zucchini primarily adds moisture and contributes to a fudgy texture. Its flavor is very mild and gets masked by the chocolate and cocoa.

Q: Do I need to squeeze the liquid out of the grated zucchini? A: No, the recipe specifically says “don’t drain or squeeze.” The moisture from the zucchini is essential for hydrating the batter and creating the fudgy texture, especially since the batter starts off quite thick.

Q: How do I store these Zucchini Brownies? A: Store cooled brownies in an airtight container at room temperature for up to 3 days, or in the refrigerator for up to a week (they will be firmer when cold).

Q: Can I freeze these brownies? A: Yes, they freeze very well! Cool completely, slice (optional), wrap tightly in plastic wrap and then foil, or place in a freezer-safe container, separated by wax paper. Freeze for up to 3 months. Thaw at room temperature or in the refrigerator.