Double Chocolate Zucchini Loaf
A moist, deeply chocolatey zucchini loaf that balances fudgy cocoa and melty dark chocolate with tender zucchini for a low-sugar, bakery-style treat. This easy one-loaf recipe uses simple pantry staples and a quick prep to produce a dense, fudgy crumb perfect for breakfast, snacks, or dessert. Bake in a 20×10 cm (9×5 in) pan and enjoy warm slices or make ahead and freeze for convenient portions.
Prep Time 15 minutes mins
Cook Time 40 minutes mins
Cooling 10 minutes mins
Total Time 1 hour hr 5 minutes mins
Course Dessert, Snack
Cuisine American
Servings 8 slices
Calories 1850 kcal
Wet ingredients & mix-ins
- 300 g zucchini, finely grated about 2 medium; squeeze lightly if very wet
- 2 large eggs at room temperature
- 60 g coconut oil melted (or neutral oil)
- 25 g sweetener use granulated sugar or preferred sweetener
- 75 g dark chocolate chunks or chips minimum 70% cocoa
Dry ingredients
- 30 g Dutch-process cocoa powder
- 130 g whole-grain or oat-based flour or all-purpose flour for a lighter crumb
- 1 tsp baking powder
- 1 tsp baking soda
- pinch fine sea salt
Baking instructions
Preheat the oven to 170°C (338°F) with the fan setting or 175°C (350°F) conventional and line a 20×10 cm (9×5 in) loaf pan with parchment paper.
Grate the zucchini and squeeze lightly if it releases a lot of liquid so it is damp, not dripping.
Whisk eggs with melted coconut oil, then stir in the sweetener and grated zucchini until combined.
Sift cocoa, flour, baking powder, baking soda and salt together to remove lumps.
Fold dry ingredients into the wet mixture until just combined and stir in chocolate chunks.
Pour into the prepared pan and bake for 35–40 minutes or until a toothpick comes out with a few moist crumbs.
If the top browns too quickly, tent with foil for the last 10–15 minutes of baking.
Cool in the pan for 10 minutes, then transfer to a wire rack to cool completely before slicing.
- Store cooled slices in an airtight container at room temperature for up to 3 days or refrigerate for up to 1 week.
- Freeze sliced portions for up to 3 months; thaw at room temperature or warm briefly in the microwave.
- To reduce sugar, substitute some or all of the sweetener with mashed banana or a low-calorie sweetener and use extra-dark chocolate.
- For a lighter crumb, replace 30 g of whole-grain flour with 30 g all-purpose flour.
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