Name: Chocolate Zucchini Bread With Sour Cream
Prep time: 20 min
Cook time: 55 min
Total time: 75 min
Ingredients: 1 1/2 cups all-purpose flour; 1/2 cup unsweetened cocoa powder; 1 teaspoon baking soda; 1/2 teaspoon baking powder; 1/2 teaspoon fine salt; 1 teaspoon ground cinnamon; 1/2 cup unsalted butter, melted and slightly cooled; 1/2 cup sour cream; 2 large eggs; 3/4 cup granulated sugar; 1/2 cup packed light brown sugar; 2 teaspoons vanilla extract; 2 cups finely shredded zucchini, excess moisture squeezed out; 3/4 cup semi-sweet chocolate chips

Chocolate Zucchini Bread With Sour Cream tastes like a super moist chocolate loaf cake that secretly packs in veggies while still feeling like dessert. It works perfectly for busy home bakers who want something kid friendly, snack worthy, and on the table in about 1 hour and 15 minutes from start to finish. I first baked this on a Tuesday night when my garden exploded with zucchini and my stress level matched it.

Why Make This Chocolate Zucchini Bread With Sour Cream at Home

Chocolate Zucchini Bread With Sour Cream turns basic pantry ingredients into a rich, fudgy loaf that tastes like chocolate cake but passes as breakfast. Sour cream keeps the crumb tender and moist, while shredded zucchini melts into the batter and adds structure without any veggie flavor.

You control the sweetness, the chocolate level, and the texture at home, which beats any store loaf that often tastes dry and sugary. Plus, this recipe uses one bowl, a whisk, and a loaf pan, so cleanup stays easy and weeknight friendly.

“This Chocolate Zucchini Bread With Sour Cream tastes like a bakery chocolate loaf, stays moist for days, and disappears in one afternoon at my house. ★★★★★”

Ingredients You Need

Dry ingredients

All-purpose flour: 1 ¾ cups
- Use a standard unbleached all-purpose flour. King Arthur or Gold Medal both work great.
Unsweetened cocoa powder: ½ cup
- Use natural cocoa for a classic flavor or Dutch-process for a deeper, more intense chocolate taste.
Granulated sugar: 1 cup
- You can swap up to ¼ cup with light brown sugar for a hint of caramel flavor.
Baking soda: 1 teaspoon
Baking powder: ½ teaspoon
Fine sea salt: ½ teaspoon
Espresso powder (optional): 1 teaspoon
- This boosts chocolate flavor without making it taste like coffee.

Wet ingredients

Large eggs: 2, at room temperature
Sour cream: ½ cup, full fat
- Full fat sour cream gives the best texture. Greek yogurt works in a pinch, but the loaf turns slightly less rich.
Neutral oil: ½ cup
- Use canola, vegetable, or light olive oil. Oil keeps the bread soft even after a day or two.
Vanilla extract: 2 teaspoons
Zucchini: 1 ½ cups finely shredded, lightly packed
- About 1 medium zucchini. Do not peel it. The green flecks look pretty and stay mild in flavor.

Mix-ins

Chocolate chips or chunks: 1 cup
- I like a mix of semi-sweet and dark chocolate chips. Use mini chips if you want more even chocolate pockets.
Optional: ½ cup chopped walnuts or pecans
- Toast the nuts first for better flavor and crunch.

Pantry shortcuts and notes

Use pre-shredded zucchini from the store if you feel short on time, but squeeze it gently since bagged zucchini often holds more moisture.
Use store-brand sour cream if you want to save money; most store brands work just as well as name brands in this recipe.
Cocoa powder quality matters more than chocolate chips here, so choose a cocoa you enjoy in brownies.

Equipment list

9 x 5 inch loaf pan
Large mixing bowl
Medium bowl (optional, if you prefer to mix dry ingredients separately)
Whisk
Rubber spatula
Box grater or food processor with shredding disc for the zucchini
Cooling rack
Parchment paper (helps with easy removal)

Tips & Mistakes

Squeeze the zucchini lightly, not aggressively, so it stays moist but not watery.
Measure flour by spooning it into the cup and leveling it; packed flour makes the bread dry and dense.
Bring eggs and sour cream to room temperature so they mix smoothly and give a more tender crumb.
Mix the batter just until no dry streaks remain; overmixing builds gluten and toughens the bread.
Line the loaf pan with parchment and leave a little overhang so you can lift the bread out easily.
Check doneness early at 45 minutes; every oven runs a little different and you want a moist crumb, not a dry one.
Let the bread cool at least 20 to 30 minutes before slicing or it may crumble and look messy.
Store the bread tightly wrapped once fully cool; wrapping it while warm traps steam and makes the top gummy.
Use full fat sour cream for the best texture; low fat versions can make the crumb slightly rubbery.
Avoid overloading with chocolate chips; more than 1 cup can cause a sunken center.

How to Make Chocolate Zucchini Bread With Sour Cream

Step 1: Prep the pan and oven

Preheat your oven to 350°F. Grease a 9 x 5 inch loaf pan with oil or nonstick spray. Line the pan with a strip of parchment that hangs over the long sides so you can lift the loaf out later.

Step 2: Shred the zucchini

Wash and dry the zucchini. Trim the ends and shred it on the small or medium holes of a box grater. Gather the shredded zucchini in your hands or a clean towel and squeeze gently once or twice to remove excess moisture, then fluff it back up and set it aside.

Step 3: Mix the dry ingredients

In a large bowl, whisk together the flour, cocoa powder, sugar, baking soda, baking powder, salt, and espresso powder if you use it. Break up any cocoa clumps with the whisk so the mixture looks even and smooth. This step helps the batter mix quickly without overworking it.

Step 4: Add the wet ingredients

Make a well in the center of the dry ingredients. Add the eggs, sour cream, oil, and vanilla into the well. Whisk the wet ingredients together in the center, then gradually pull in the dry mixture until everything looks mostly combined.

Step 5: Fold in zucchini and chocolate

Switch to a rubber spatula. Fold in the shredded zucchini until it spreads evenly through the batter. Add the chocolate chips and nuts if you use them, and fold just until they look distributed with no big pockets of dry ingredients.

Step 6: Fill the pan and bake

Scrape the batter into the prepared loaf pan and smooth the top. Sprinkle a few extra chocolate chips on top if you want a bakery-style look. Place the pan on the center rack and bake 50 to 60 minutes, until a toothpick inserted in the center comes out with a few moist crumbs but no wet batter.

Step 7: Cool and slice

Set the pan on a cooling rack and let the bread cool in the pan for about 15 minutes. Use the parchment overhang to lift the loaf out and set it directly on the rack. Let it cool at least another 15 to 20 minutes before slicing with a sharp serrated knife.

Variations I've Tried

Double chocolate zucchini bread: Swap ¼ cup of the flour with extra cocoa powder and use dark chocolate chips for a more intense chocolate hit.
Mocha zucchini bread: Add 2 teaspoons espresso powder and a handful of mini chocolate chips; this version tastes great with a morning coffee or hot cocoa.
Nutty crunch version: Fold in ½ cup toasted walnuts or pecans and sprinkle a few on top before baking for a crunchy contrast to the soft crumb.
Cinnamon chocolate zucchini bread: Add 1 teaspoon ground cinnamon and a pinch of nutmeg to the dry ingredients for a cozy, slightly spiced loaf.
Gluten free option: Use a cup-for-cup gluten free baking blend that includes xanthan gum; the texture stays soft and moist, though the loaf may rise a bit less.

How to Serve Chocolate Zucchini Bread With Sour Cream

Serve Chocolate Zucchini Bread With Sour Cream slightly warm or at room temperature so the chocolate chips stay soft and melty. I like to slice it thick and spread a little butter or peanut butter on top for a snack that feels extra indulgent. Pair a slice with cold milk, hot coffee, hot tea, or hot cocoa for a cozy treat. You can also toast a slice lightly in a skillet and top it with sliced strawberries or banana for a fun weekend breakfast.

How to store

Room temperature: Wrap the fully cooled loaf tightly in plastic wrap or store slices in an airtight container. Keep at room temperature for up to 3 days.
Refrigerator: Store in an airtight container in the fridge for up to 5 days. Bring slices to room temperature or warm them slightly before serving so the texture softens again.
Freezer (whole loaf): Wrap the cooled loaf in plastic wrap, then in foil, or place it in a freezer bag. Freeze for up to 2 months.
Freezer (slices): Slice the bread, wrap each slice in plastic, and place them in a freezer bag. This setup lets you pull out one slice at a time for quick snacks.
Reheating: Warm slices in the microwave for 10 to 15 seconds or in a 300°F oven for 5 to 8 minutes. The gentle heat brings back the soft, fudgy texture and makes the chocolate bits gooey again.