A decadent sweet bread blending zucchini, cocoa, and sour cream for a moist, chocolatey treat. Perfect for breakfast or dessert, this recipe uses everyday pantry staples to create a rich, fudgy loaf.
| Prep Time | 20 min |
|---|---|
| Cook Time | 55-65 min |
| Total Time | 1h 15m-1h 45m |
| Servings | 8-10 |
| Difficulty | Intermediate |
| Cuisine | American |
Why This Recipe Works: Moisture and Depth
Zucchini’s natural moisture balances cocoa’s bitterness while sour cream adds tangy richness. The combination prevents the bread from becoming dry, creating an almost cake-like texture. I’ve tested multiple versions and this ratio delivers exceptional flavor without excess sugar.
Finely grated zucchini ensures even moisture distribution. The sour cream lends a subtle creaminess that complements semi-sweet chocolate. Unlike traditional zucchini bread, this recipe uses cocoa powder to deepen the chocolate character.
| Ingredient | Quantity | Notes |
|---|---|---|
| Flour, plain | 1 cup | Almond flour for gluten-free version |
| Cocoa powder, unsweetened | 1/2 cup | Natural cocoa for more robust flavor |
| Baking soda | 1 tsp | Do not substitute with baking powder |
| Salt | 1/2 tsp | Fine sea or table salt |
| Large eggs | 2 | Room temperature for better emulsification |
| Oil | 1/4 cup | Canola or coconut oil (melted) |
| Sour cream | 1/3 cup | Or Greek yogurt |
| White sugar | 1/4 cup | Brown for molasses notes |
| Light brown sugar | 1/2 cup | Packed measurement |
| Vanilla essence | 1 tsp | Use pure vanilla over imitation |
| Zucchini | 1 1/2 cups | Finely grated |
| Chocolate chips | 1 cup | Split in two portions |

Step-by-Step Instructions
Prepare Pan and Preheat Oven
- Preheat oven to 325°F (163°C).
- Grease a 9″×5″ loaf pan with oil and line with parchment paper.
Mix Dry Ingredients
- Whisk flour, cocoa, baking soda, salt in medium bowl.
- Set aside dry mixture for 5 minutes to allow leavener activation.
Combine Wet Ingredients
- Beat eggs until frothy, about 30 seconds using an electric mixer.
- Add oil, sour cream, white/brown sugars, and vanilla. Mix until smooth.
Combine and Fold Ingredients
- Gradually add dry ingredients to wet, mixing on low speed.
- Once blended, gently fold in zucchini and 3/4 cup chocolate chips.
Bake and Check Doneness
- Pour batter into prepared pan. Sprinkle remaining 1/4 cup chocolate chips.
- Bake 55-65 minutes, covering with foil if overbrowning. Insert toothpick into center; it should emerge mostly clean.
Cool and Serve
- Let cool in pan 15 minutes. Transfer to wire rack to finish cooling.
- Slice when slightly warm for optimal texture.
Chef Tips for Perfect Results
- Sift dry ingredients to prevent cocoa clumping
- Use room temperature eggs for smoother emulsification
- Do not overmix wet/dry combination
- Press chocolate chips into top for even distribution
Common Mistakes to Avoid
- Overmixing: Causes gluten overdevelopment leading to dense texture. Stop mixing once fully combined.
- Excess zucchini moisture: Always squeeze out liquid from grated zucchini using a towel.
- Overbaking: Toothpick test is critical – slightly soft center remains moist.
- Using milk instead of sour cream: Reduces moisture content and creates dry crumb.
| Ingredient | Substitution | Impact on Flavor |
|---|---|---|
| Sour cream | Greek yogurt | Thinner texture but same moistness |
| Zucchini | Pumpkin (flesh only) | More muted vegetal notes |
| Chocolate chips | Dark chocolate chunks | Stronger bittersweet profile |
| Baking soda | Self-rising flour | Changes leavening action |
Serving Suggestions and Pairings
Slice and serve warm with a dusting of powdered sugar for afternoon tea. For breakfast, top with cream cheese frosting. As late-night snacking, pair with almond milk. At potlucks, offers bang to friends’ favorite chili.
| Method | Duration | Instructions |
|---|---|---|
| Fridge | 5 days | Store in airtight container |
| Freezer | 3 months | Wrap twice or use freezer bags |
| Oven | 15 minutes | 350°F (175°C) wrapped in foil |
| Nutrient | Amount per Serving |
|---|---|
| Calories | Approx. 320 kcal |
| Protein | 5 g |
| Fat | 16 g |
| Carbohydrates | 40 g |
| Fiber | 2 g |
| Sugar | 18 g |
| Sodium | 100 mg |
Frequently Asked Questions
Can I use boxed sour cream instead of Greek yogurt?
Yes, sour cream adds tang and stability during baking. Greek yogurt creates slightly denser texture but works in a pinch.
How to test doneness without a toothpick?
Press center gently – it should spring back slowly but not feel wet. The bread edges will pull away from pan sides.
Why is my chocolate bread dry?
Most likely overbaking or cooked zucchini removed insufficient moisture. Use wet paper towel test: wrap zucchini in towel and squeeze firmly.
Can this be made vegan?
Substitute eggs with 3 tbsp ground flax + 3 tbsp water. Use dairy-free sour cream and ensure chocolate is vegan-certified.
How to increase chocolate intensity?
Replace 1/4 cup flour with more cocoa powder. Add espresso powder (1 tsp per tablespoon cocoa) to enhance chocolate notes.
Print
Indulgent Chocolate Zucchini Bread with Sour Cream
- Total Time: 80
- Yield: 8-10 servings 1x
- Diet: Vegetarian
Description
A moist chocolate zucchini bread combining finely grated zucchini, cocoa powder, and sour cream for a rich, fudgy texture. Perfect for breakfast or dessert.
Ingredients
1 cup flour, plain
1/2 cup cocoa powder, unsweetened
1 tsp baking soda
1/2 tsp salt
2 large eggs
1/4 cup oil, canola or coconut (melted)
1/3 cup sour cream (or Greek yogurt)
1/4 cup white sugar
1/2 cup light brown sugar, packed
1 tsp vanilla essence, pure
1 1/2 cups zucchini, finely grated
1 cup chocolate chips, split in two portions
Instructions
Preheat oven to 325°F (163°C)
Grease a 9″x5″ loaf pan with oil and line with parchment paper
Whisk flour, cocoa powder, baking soda, and salt in a medium bowl
Let dry ingredients rest for 5 minutes
Beat eggs until frothy using an electric mixer
Add oil, sour cream, sugars, and vanilla to the eggs. Mix until smooth
Gradually add dry ingredients to the wet mixture, mixing on low speed
Fold in grated zucchini and 3/4 cup chocolate chips
Pour batter into prepared loaf pan
Bake for 55-65 minutes until a toothpick inserted in center comes out clean
Let cool for 10 minutes before slicing
Notes
For gluten-free version, substitute plain flour with almond flour
Greek yogurt can replace sour cream for a tangier flavor
Ensure zucchini is finely grated for uniform texture
Split chocolate chips for even distribution
Store in an airtight container for up to 5 days
- Prep Time: 20
- Cook Time: 60
- Category: Bread recipes
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 slice (1 of 8-10)
- Calories: 180
- Sugar: 15g
- Sodium: 120mg
- Fat: 9g
- Saturated Fat: 6g
- Carbohydrates: 24g
- Fiber: 2g
- Protein: 4g
- Cholesterol: 30mg




