Chocolate Zucchini Bread

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Every August, my garden overflows with zucchini faster than I can pick them. This rich bread is my favorite way to use that harvest and share the season with friends and family.

Chocolate Zucchini Bread 15

This Chocolate Zucchini Bread is incredibly moist and decadent. It tastes more like a rich chocolate cake than a standard quick bread, making it a perfect farmhouse treat for any time of day.

Rustic Beauty

There is a quiet joy in watching the zucchini harvest come in. When the garden gives you more than you can handle, this recipe is the honest answer to that abundance. You will love how the green flecks of the garden squash disappear into the deep cocoa batter, leaving behind only moisture and a delicate texture. It is a genuine way to celebrate seasonal ingredients while satisfying a deep chocolate craving.

Every slice of this Chocolate Zucchini Bread feels like a warm hug from a farmhouse kitchen. Unlike many quick breads that can be dry or crumbly, this version stays tender for days thanks to the natural water content of the fresh produce. It is simple, authentic, and relies on the natural beauty of the ingredients. The addition of chocolate chips adds a happy touch of indulgence to an otherwise grounded, wholesome snack.

This bread is a treasure for those who appreciate the intersection of garden-fresh quality and professional baking results. Whether you are a beginner or a seasoned baker, the process is straightforward and the reward is a beautiful, dark loaf that looks stunning on a wooden cutting board. It is the kind of recipe that becomes a tradition, passed down through the years as the late-summer harvest arrives.

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A rustic loaf of chocolate zucchini bread sitting on a wooden board

Chocolate Zucchini Bread


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5 from 12 reviews

  • Author: Christine Feeney
  • Total Time: 1 hour 25 mins
  • Yield: 1 Loaf (10-12 slices)

Description

This recipe transforms a late-summer bounty of zucchini into a rich, moist, and decadent quick bread. The combination of cocoa and chocolate chips makes this treat taste more like cake, while the shredded squash ensures a tender crumb that stays fresh for days. It’s a perfect rustic bake to celebrate the garden harvest.


Ingredients

  • 1 1/2 cups fresh zucchini, shredded and packed
  • 1/2 cup cocoa powder (Dutch process or unsweetened)
  • 1 cup light brown sugar, packed
  • 2 large eggs, room temperature
  • 1/2 cup unsalted butter, melted and cooled
  • 1/2 cup vegetable oil
  • 1 teaspoon pure vanilla extract
  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon sea salt
  • 1 cup semisweet chocolate chips, divided


Instructions

  1. Preheat your oven to 350°F (175°C). Grease a 9-by-5-inch loaf pan with nonstick cooking spray or a light coating of butter and flour.
  2. In a medium bowl, whisk together the flour, cocoa powder, baking soda, and sea salt.
  3. In a large bowl, whisk the eggs, melted butter, oil, vanilla extract, and packed brown sugar until the mixture is smooth.
  4. Stir the dry ingredients into the wet mixture using a spatula. Be careful not to overmix; just stir until no streaks of flour remain. Fold in the shredded zucchini and 3/4 cup of the chocolate chips until they are just distributed.
  5. Pour the batter into your prepared pan and smooth the top. Sprinkle the remaining 1/4 cup of chocolate chips over the top. Bake for 50-60 minutes until a toothpick inserted into the center comes out mostly clean.
  6. Let the bread rest in the pan on a wire cooling rack for 15 minutes. Run a thin knife around the edges and carefully turn the loaf out onto the rack. Allow it to cool until slightly warm before slicing with a serrated knife.

Notes

Because this quick bread is so moist due to the zucchini and oil, it stores exceptionally well. Once completely cooled, wrap the loaf tightly in plastic wrap or foil and store it at room temperature for up to four days. For longer storage, slice the cooled bread and freeze individual slices in freezer bags for a quick, future treat—they thaw quickly at room temperature or in a toaster oven.

  • Prep Time: 15 mins
  • Cook Time: 55 mins
  • Category: Quick Bread
  • Method: Baking
  • Cuisine: American

The Farmhouse Pantry

A bowl of freshly shredded green zucchini for baking
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To make a truly wonderful Chocolate Zucchini Bread, we start with the freshest produce and quality staples. Each ingredient plays a vital role in creating that signature moist crumb and deep, dark flavor.

  • Fresh Zucchini: Use about two medium zucchinis. I prefer picking them when they are small to medium size because the seeds are tender and the skin is thin. You will need 1 1/2 cups of shredded zucchini, packed into the measuring cup.
  • Cocoa Powder: You can use Dutch process cocoa for a darker, smoother flavor or standard unsweetened cocoa. Quality cocoa makes a difference in the final taste.
  • Light Brown Sugar: This adds a hint of molasses warmth and keeps the bread soft.
  • Room Temperature Eggs: Farm-fresh eggs are always best. Having them at room temperature helps them emulsify better with the fats.
  • Unsalted Butter and Oil: We use a combination of melted butter for flavor and oil for lasting moisture. Vegetable, canola, or coconut oil all work well.
  • Semisweet Chocolate Chips: These provide little pockets of melted chocolate throughout the loaf. I like to save a few to sprinkle on top for a rustic finish.
  • Pure Vanilla Extract: A good vanilla helps the chocolate flavor shine through.
  • Pantry Staples: All-purpose flour, baking soda, and a touch of sea salt round out the dry ingredients.

Simple Steps

Step 1: Prep the Oven and Pan

Preheat your oven to 350°F (175°C). Grease a 9-by-5-inch loaf pan with nonstick cooking spray or a light coating of butter and flour. This helps the rustic loaf release easily after baking.

Step 2: Mix the Dry Ingredients

In a medium bowl, whisk together the flour, cocoa powder, baking soda, and sea salt. Whisking helps break up any cocoa clumps and ensures the leavening is evenly distributed.

Step 3: Combine the Wet Ingredients

In a large bowl, whisk the eggs, melted butter, oil, vanilla extract, and packed brown sugar. Stir until the mixture is smooth. If you see a few small clumps of brown sugar, don’t worry—they will melt during baking.

Step 4: Fold and Add Zucchini

Stir the dry ingredients into the wet mixture using a spatula. Be careful not to overmix; just stir until no streaks of flour remain. Fold in the shredded zucchini and 3/4 cup of the chocolate chips until they are just distributed.

Step 5: Bake to Perfection

Pour the batter into your prepared pan and smooth the top. Sprinkle the remaining 1/4 cup of chocolate chips over the top. Bake for 50-60 minutes. The Chocolate Zucchini Bread is done when a toothpick inserted into the center comes out mostly clean, perhaps with a few melted chocolate smears.

Step 6: Cool and Serve

Let the bread rest in the pan on a wire cooling rack for 15 minutes. Run a thin knife around the edges and carefully turn the loaf out onto the rack. Allow it to cool until slightly warm before slicing with a serrated knife.

Farmhouse Wisdom

Dark chocolate batter with zucchini and chocolate chips in a loaf pan
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When you are shredding your zucchini, use the side of the box grater with the smaller holes for a texture that melts into the bread. If your zucchini is particularly watery, you can give it a very light squeeze with a clean kitchen towel, but do not squeeze it dry. We want that natural moisture to keep our Chocolate Zucchini Bread tender. For a more intense chocolate profile, you can read about chocolate-alchemy to understand how different cocoa percentages affect your bake. Always ensure your melted butter has cooled slightly before adding it to the eggs so you do not accidentally cook them. If the top of your bread is browning too fast, loosely tent it with foil for the last 10 minutes of baking. Remember that every oven is different, so start checking for doneness at the 50-minute mark.

Farm-Fresh Options

This recipe is a wonderful canvas for seasonal swaps. In the autumn, you can replace half of the zucchini with shredded carrots for a different texture, much like our banana-zucchini-muffins. If you prefer a bit of crunch, fold in half a cup of toasted walnuts or pecans. For those who love a bit of spice, a teaspoon of ground cinnamon or a pinch of espresso powder can make the chocolate flavor even more vibrant. You can also swap the semisweet chips for dark chocolate chunks or even white chocolate for a striking visual contrast. If you want to make this even more like a dessert, try baking the batter in a round cake pan and serving it with a dollop of whipped cream.

At the Table

Slices of chocolate zucchini bread served with a pat of butter
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I love serving a thick slice of this bread slightly warm with a generous smear of salted farmhouse butter. It is equally wonderful served cold as a quick afternoon snack with a tall glass of milk or a hot cup of coffee. If you are hosting a brunch, consider serving this alongside our zucchini-carrot-oatmeal-muffins for a beautiful spread of garden-inspired bakes. For a more formal presentation, place a slice on a small plate and add a scoop of vanilla bean ice cream or a drizzle of honey. It is the kind of simple, honest food that looks best on a rustic wooden board in the middle of a sunlit kitchen table.

The Simple Truth

Baking with the seasons brings a special kind of gratitude to the kitchen. This Chocolate Zucchini Bread is a perfect example of how simple ingredients from the earth can be transformed into something truly special and delicious. If you find yourself craving even more chocolate inspiration, you might enjoy our chocolate-fudge-cake for your next gathering. I hope this recipe brings a little bit of farmhouse warmth to your home this season. Please share your bakes with us and join our community of bakers online.

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