Chocolate Chip Zucchini Bars Recipe

If you have extra zucchini on the counter and you’re craving something sweet, these zucchini bars are one of my favorite things to bake. They’re soft, moist, gently rich, and filled with chocolate chips in every bite. The zucchini melts right into the batter, adding tenderness without making the bars taste “vegetable-like,” which is exactly why they’re such a hit with both kids and adults.

I love recipes like this because they feel practical and comforting at the same time. You get to use up fresh zucchini, your kitchen smells amazing while they bake, and the result is a pan of homemade bars that tastes like a cross between snack cake and a blondie. The edges turn lightly golden, the centers stay soft and dense, and the chocolate chips make them feel just a little extra special.

These chocolate chip zucchini bars are easy enough for a casual weekday bake but delicious enough to share at potlucks, lunchboxes, and weekend get-togethers. If you’ve never baked with zucchini before, this is such a friendly place to start. I’ll walk you through exactly how I make them so you can get that perfectly moist texture every time.

Quick Recipe Info Card

• Prep Time: 15 minutes
• Cook Time: 28 minutes
• Total Time: 43 minutes
• Servings: 16 bars
• Difficulty: Easy

Why You’ll Love It

• Soft, moist texture with tender zucchini throughout.
• Loaded with chocolate chips for a cozy, dessert-like finish.
• A great way to use up fresh zucchini in a family-friendly bake.
• Simple pantry ingredients and no complicated steps.
• Perfect for snacking, dessert, lunchboxes, or sharing.
• The bars slice neatly and stay delicious for days.
• You can easily customize them with nuts, spices, or different chocolate.

Nutritional Benefits and Adaptable Variations

• Zucchini adds moisture naturally, which helps keep these bars tender while adding a little fiber and nutrients.
• Eggs provide structure and protein, helping the bars bake up soft but sliceable.
• You can swap semi-sweet chips for dark chocolate chips if you want a deeper chocolate flavor.
• Add chopped walnuts or pecans for crunch and a little extra richness.
• Use cinnamon for a warmer, more bakery-style flavor profile.
• Try a half-and-half flour mix with part whole wheat flour for a slightly heartier texture.
• Make them extra dessert-like by sprinkling a few additional chocolate chips over the top before baking.

Step-by-Step Instructions

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1. Preheat your oven to 350°F. Line a 9×13-inch baking pan with parchment paper, leaving a little overhang so the bars are easy to lift out later.
2. Grate the zucchini on the coarse side of a box grater. If it seems very wet, gently squeeze out some of the excess moisture using clean hands or a paper towel. You want it moist, not dripping.
3. In a large mixing bowl, whisk together the melted butter, brown sugar, and granulated sugar until smooth and glossy.
4. Add the eggs and vanilla extract, then whisk again until fully combined.
5. Stir in the grated zucchini until evenly distributed throughout the wet mixture.
6. In a separate bowl, whisk together the flour, baking soda, baking powder, salt, and cinnamon.
7. Add the dry ingredients to the wet ingredients and stir just until no dry streaks remain. Do not overmix.
8. Fold in 1 1/4 cups of the chocolate chips, saving the rest for the top.
9. Spread the batter evenly into the prepared pan. Sprinkle the remaining chocolate chips over the surface.
10. Bake for 26 to 30 minutes, or until the top is set, the edges are lightly golden brown, and a toothpick inserted in the center comes out with a few moist crumbs rather than wet batter.
11. Let the bars cool completely in the pan before lifting them out and slicing into squares. This helps them set and gives you cleaner cuts.

Nutrition Information

Nutrition values are approximate estimates per bar and can vary based on the exact ingredients and brands you use.

Storage & Make-Ahead Tips

Once the bars are fully cooled, store them in an airtight container at room temperature for up to 3 days. If your kitchen runs warm, you can refrigerate them for up to 5 days for a little extra freshness.

To keep the texture at its best, place parchment paper between layers if you’re stacking them. That helps prevent sticking and keeps the tops looking nice.

You can also make these ahead for gatherings. Bake them the day before, let them cool completely, then store them tightly covered until you’re ready to serve. For longer storage, freeze individual bars in a freezer-safe container for up to 2 months. Thaw in the refrigerator or at room temperature before eating.

FAQ

1. Do I need to peel the zucchini?

No, you don’t need to peel it. The skin is tender and blends right into the bars, plus those little green flecks look beautiful in the finished batter.

2. Should I squeeze all the water out of the zucchini?

Not all of it. You want to gently remove excess moisture if the zucchini is very wet, but leaving some moisture is important for the soft texture of the bars.

3. Can I make these zucchini bars ahead of time?

Yes. They’re actually great for making ahead because they stay moist. Bake them, cool completely, and store in an airtight container until ready to serve.

4. How do I know when the bars are done baking?

Look for lightly golden edges and a set top. A toothpick inserted in the center should come out with moist crumbs, not raw batter. Be careful not to overbake or they can dry out.

5. Can I freeze chocolate chip zucchini bars?

Absolutely. Once cooled, wrap the bars well or store them in a freezer-safe container. Freeze for up to 2 months and thaw before serving.

Chocolate Chip Zucchini Bars

Soft, moist zucchini bars filled with chocolate chips and baked until lightly golden around the edges.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 28 minutes mins

Total Time 43 minutes mins

Course Dessert, Snack

Cuisine American

Servings 16 bars

Calories 267 kcal

Equipment

• 1 9x13-inch baking pan lined with parchment paper
• 1 box grater for shredding zucchini
• 2 mixing bowls
• 1 Whisk
• 1 spatula for folding batter

Ingredients

  

Wet Ingredients

• 1 cup unsalted butter melted and slightly cooled
• 1 cup light brown sugar packed
• 1/2 cup granulated sugar
• 2 large eggs
• 2 teaspoons vanilla extract
• 2 cups zucchini grated, lightly packed, excess moisture gently squeezed out

Dry Ingredients

• 2 cups all-purpose flour
• 1 teaspoon baking soda
• 1/2 teaspoon baking powder
• 1/2 teaspoon fine salt
• 1 teaspoon ground cinnamon

Mix-Ins

• 1 1/2 cups semi-sweet chocolate chips divided

Instructions

 

Prepare the Pan and Batter

• Preheat the oven to 350°F. Line a 9x13-inch baking pan with parchment paper.
• Grate the zucchini on the coarse side of a box grater. If it is very wet, gently squeeze out some of the excess moisture.
• In a large mixing bowl, whisk together the melted butter, brown sugar, and granulated sugar until smooth and glossy.
• Add the eggs and vanilla extract and whisk until fully combined.
• Stir in the grated zucchini until evenly distributed.
• In a separate bowl, whisk together the flour, baking soda, baking powder, salt, and cinnamon.
• Add the dry ingredients to the wet ingredients and stir just until no dry streaks remain.
• Fold in 1 1/4 cups of the chocolate chips, reserving the remaining 1/4 cup for the top.
• Spread the batter evenly into the prepared pan and sprinkle the remaining chocolate chips over the surface.

Bake and Cool

• Bake for 26 to 30 minutes, until the top is set, the edges are lightly golden, and a toothpick inserted in the center comes out with a few moist crumbs.
• Cool completely in the pan before lifting out and slicing into 16 bars.

Notes

Gently squeeze very wet zucchini so the bars stay moist but not gummy. Do not overmix the batter. Cool completely before slicing for the cleanest bars. Store covered at room temperature for up to 3 days or refrigerate for up to 5 days.