Chocolate Chip Zucchini Bread
The first time I baked this loaf, I was trying to use up a mountain of summer zucchini. A moist, lightly spiced quick bread studded with melty chocolate chips was the happy result — breakfast, snack, and lunchbox winner all week. This Chocolate Chip Zucchini Bread is simple, forgiving, and a lovely way to sneak vegetables into a sweet treat.
Why you’ll love this dish
This zucchini bread blends tender crumb, warm cinnamon, and pockets of chocolate for a comfort food that’s also practical. It uses fresh summer produce, stretches pantry staples, and bakes into a loaf that keeps well — perfect for busy mornings, school snacks, or a cozy weekend bake.
“A keeper: not too sweet, wonderfully moist, and the chocolate chips make every slice feel like a treat.” — home baker review
What makes it special:
- Uses grated zucchini for moisture and fiber without a strong veggie flavor.
- Whole wheat flour adds depth and nutrition while keeping the texture light with the right technique.
- Easy to adapt (less sugar, gluten-free, vegan) without losing the classic taste.
How this recipe comes together
Step-by-step overview:
- Grate zucchini and combine with wet ingredients (sugars, oil, eggs, vanilla).
- Whisk together the dry ingredients (flours, leaveners, salt, cinnamon).
- Fold the dry mix into the wet just until combined to avoid a dense loaf.
- Stir in chocolate chips, pour into a prepared loaf pan, and bake until a skewer comes out clean near the center.
- Cool briefly in the pan, then transfer to a wire rack to finish cooling before slicing.
This method keeps the crumb tender and prevents overworking the batter.
Ingredients
- 2 cups grated zucchini (about 1 medium-large or 2 small; no need to peel)
- 1 cup all-purpose flour
- 1 cup whole wheat flour (substitute 2 cups AP for a lighter crumb)
- 1 teaspoon baking soda
- 1/2 teaspoon baking powder
- 1/2 teaspoon salt
- 1 teaspoon ground cinnamon
- 1/2 cup granulated sugar (substitute: 1/3–1/2 cup for less sweetness)
- 1/2 cup packed brown sugar (or use all granulated if preferred)
- 1/2 cup vegetable oil (substitute: canola, melted coconut oil, or 1/3–1/2 cup applesauce to cut fat)
- 2 large eggs (room temperature; substitute two flax eggs for vegan: 2 tbsp ground flax + 6 tbsp warm water, chilled)
- 1 teaspoon vanilla extract
- 1 cup chocolate chips (use dairy-free chips for vegan; or 3/4 cup + 1/4 cup chopped nuts)
Notes:
- If using all-purpose flour only, the texture will be slightly lighter but still excellent.
- If you prefer less chocolate, reduce to 3/4 cup or mix chips and chopped nuts.
Directions
- Preheat the oven to 350°F (175°C). Grease a 9×5-inch loaf pan and line with parchment if you like easier removal.
- Grate the zucchini on the large holes of a box grater; gently press out very excess moisture with your hands or a light cloth — you want some moisture to stay for a tender loaf.
- In a large bowl, whisk together the sugars, oil, eggs, and vanilla until smooth.
- In another bowl, whisk the all-purpose flour, whole wheat flour, baking soda, baking powder, salt, and cinnamon.
- Add the dry ingredients to the wet in two additions, folding with a spatula and mixing only until no streaks of flour remain. Do not overmix.
- Fold in the grated zucchini and chocolate chips just until evenly distributed.
- Pour the batter into the prepared loaf pan and smooth the top.
- Bake 55–65 minutes (start checking at 50 minutes) until the top is golden and a toothpick inserted near the center comes out with a few moist crumbs but no raw batter. Oven times vary; if the top browns too fast, tent with foil.
- Cool the bread in the pan for 10–15 minutes, then transfer to a wire rack to cool completely before slicing.
Quick tips embedded in steps: use room-temperature eggs for even mixing; avoid squeezing zucchini completely dry or the loaf will be drier.
How to serve Chocolate Chip Zucchini Bread
Best ways to enjoy it:
- Warm a slice and spread a little butter or cream cheese for a decadent breakfast.
- Serve slightly chilled with a scoop of plain yogurt for brunch.
- Cut into thick slices and toast lightly for a crispy edge and melty chocolate center.
Pairings:
- Coffee, black tea, or a vanilla latte.
- Fresh fruit like sliced pears or berries for contrast.
- A smear of nut butter for added protein.
How to store
Storage and reheating tips:
- Room temperature: Cool completely, wrap in plastic wrap or place in an airtight container, and keep at room temperature for up to 2–3 days.
- Refrigerator: Store in an airtight container for up to 1 week. Bring slices to room temp or warm briefly before serving.
- Freezing: Wrap the whole loaf tightly in plastic, then foil, or slice and freeze between layers of parchment in a freezer-safe bag. Freeze up to 3 months.
- To reheat from frozen: thaw overnight in the refrigerator or on the counter a few hours; warm slices in a 350°F (175°C) oven for 8–12 minutes or microwave a single slice 15–25 seconds.
Food safety: always cool the loaf completely before sealing to avoid condensation that encourages mold. Discard if you see off smells or visible mold.
Tips for success
Helpful chef tips:
- Measure flour by spooning into the cup and leveling with a knife to avoid a dry loaf from packed flour.
- Don’t overmix the batter — stop when dry ingredients are incorporated to keep the crumb tender.
- Zucchini moisture varies: a very watery zucchini may need a couple extra minutes of baking. If the center is underdone after the top is browned, tent with foil and continue baking.
- Line the pan with parchment with an overhang for easy removal and cleaner slicing.
- Use room-temperature ingredients (eggs, oil if solid) so they incorporate smoothly.
- If baking at high altitude, reduce baking powder slightly and increase oven temp 15–25°F; times may change.
Variations
Creative twists:
- Nutty: Add 1/2 cup chopped walnuts or pecans and reduce chocolate chips to 3/4 cup.
- Lemon-chocolate: Add 1 tsp lemon zest and swap cinnamon for 1/2 tsp cardamom.
- Pumpkin-spice: Replace cinnamon with 1 tsp pumpkin pie spice and add 1/4 cup pumpkin puree — reduce oil slightly.
- Gluten-free: Use 2 cups a 1:1 gluten-free flour blend with xanthan gum, or use 1 3/4 cups gluten-free flour + 1/4 cup oat flour for texture.
- Vegan: Replace eggs with flax eggs (see ingredients notes), use applesauce or a vegan oil, and dairy-free chocolate chips.
- Muffins: Bake in a standard 12-cup muffin tin at 350°F (175°C) for about 18–22 minutes.
FAQs
Q: Can I use frozen zucchini?
A: Yes. Thaw completely and drain excess water well. Press lightly with paper towels or a clean kitchen cloth to remove extra moisture (but don’t dry it out completely). Using frozen-thawed zucchini may increase bake time slightly.
Q: Why is my zucchini bread gummy or dense?
A: Common causes are overmixing (develops gluten), too much zucchini moisture, or not enough leavening. Make sure to mix only until combined, drain very excess zucchini liquid, and measure flour accurately. Also check that your baking soda/powder are fresh.
Q: Can I reduce the sugar?
A: You can reduce total sugar by about 25–33% with good results. The loaf will be less sweet but still moist thanks to the zucchini. If you reduce sugar significantly, the browning and texture may be slightly different.
Q: How do I tell when it’s done without overbrowning the top?
A: Insert a toothpick near the center — it should come out with a few moist crumbs but not wet batter. If the top browns first, loosely cover the loaf with foil and continue baking until done.
Q: Can I make this into muffins or a sheet pan?
A: Yes. For muffins, fill lined cups 2/3 full and bake 18–22 minutes at 350°F (175°C). For a sheet pan, use a 9×13 pan and bake 25–35 minutes, checking for doneness sooner.
If you want, I can scale this recipe for two small loaves, convert it into muffins with exact times, or provide a printable card.
Print
Chocolate Chip Zucchini Bread
- Total Time: 80 minutes
- Yield: 1 loaf (about 8 servings)
- Diet: Vegetarian
Description
A moist and lightly spiced quick bread studded with melty chocolate chips, perfect for breakfast or snacks.
Ingredients
- 2 cups grated zucchini (about 1 medium-large or 2 small; no need to peel)
- 1 cup all-purpose flour
- 1 cup whole wheat flour (substitute 2 cups AP for a lighter crumb)
- 1 teaspoon baking soda
- 1/2 teaspoon baking powder
- 1/2 teaspoon salt
- 1 teaspoon ground cinnamon
- 1/2 cup granulated sugar (substitute: 1/3–1/2 cup for less sweetness)
- 1/2 cup packed brown sugar (or use all granulated if preferred)
- 1/2 cup vegetable oil (substitute: canola, melted coconut oil, or 1/3–1/2 cup applesauce to cut fat)
- 2 large eggs (room temperature; substitute two flax eggs for vegan: 2 tbsp ground flax + 6 tbsp warm water, chilled)
- 1 teaspoon vanilla extract
- 1 cup chocolate chips (use dairy-free chips for vegan; or 3/4 cup + 1/4 cup chopped nuts)
Instructions
- Preheat the oven to 350°F (175°C). Grease a 9×5-inch loaf pan and line with parchment if you like easier removal.
- Grate the zucchini on the large holes of a box grater; gently press out very excess moisture with your hands or a light cloth.
- In a large bowl, whisk together the sugars, oil, eggs, and vanilla until smooth.
- In another bowl, whisk the all-purpose flour, whole wheat flour, baking soda, baking powder, salt, and cinnamon.
- Add the dry ingredients to the wet in two additions, folding with a spatula and mixing only until no streaks of flour remain.
- Fold in the grated zucchini and chocolate chips just until evenly distributed.
- Pour the batter into the prepared loaf pan and smooth the top.
- Bake for 55–65 minutes until a toothpick inserted near the center comes out with a few moist crumbs but no raw batter.
- Cool the bread in the pan for 10–15 minutes, then transfer to a wire rack to cool completely before slicing.
Notes
Use room-temperature eggs for even mixing and avoid squeezing zucchini completely dry to keep the loaf tender.
- Prep Time: 15 minutes
- Cook Time: 65 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American