Chocolate Chip Zucchini Cookie Bars Recipe

If you’ve been on the hunt for a cozy, charming treat that combines the best of both worlds—moist, vegetable-packed goodness with a sweet chocolate chip surprise—this Chocolate Chip Zucchini Cookie Bars Recipe is exactly what you need. I absolutely love how these bars come together: they’re ridiculously easy to make, full of tender zucchini moisture, and studded with melting chocolate chips that make every bite a delight. Whether you’re sneaking veggies into your snack or aiming for a nostalgic dessert, these bars have got your back.

One of the things that make this Chocolate Chip Zucchini Cookie Bars Recipe so special is its versatility. I often whip them up for after-school snacks, casual potlucks, or lazy weekend brunches because they’re easy to slice and share. Plus, you’ll appreciate how the zucchini adds softness and moisture, meaning you don’t need any fancy ingredients to impress your friends or family. Trust me, once you try them, you’ll find that these bars quickly become one of your go-to baked treats.

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Why You’ll Love This Recipe

  • Hidden Veggie Boost: Zucchini sneaks in moisture and nutrition without compromising the sweet, chocolatey flavor.
  • Perfectly Portable: These cookie bars are easy to slice and pack, making them perfect for lunches or on-the-go snacks.
  • Balanced Sweetness: By mixing both granulated and brown sugar, these bars have a deep, rich sweetness without being overly sugary.
  • Simple & Quick: No complicated steps or equipment—ideal for both beginner bakers and seasoned pros alike.

Ingredients You’ll Need

Each ingredient plays a thoughtful role here, from the tender zucchini to the blend of sugars, creating cookie bars that hit that sweet spot of chewy, soft, and satisfyingly chocolaty. When shopping, try to pick fresh zucchinis that feel firm to keep the texture just right.

  • All-purpose flour: The base that gives structure; don’t swap it with whole wheat unless you want a denser bar.
  • Baking soda: Helps the bars rise gently, keeping them nice and tender.
  • Cinnamon: Adds a warm, cozy spice that complements chocolate perfectly.
  • Salt: Enhances the flavors, essential in balancing the sweetness.
  • Unsalted butter: Use softened, not melted, for easy mixing and the right texture.
  • Granulated sugar: Gives that classic sweetness and crunch.
  • Light brown sugar: Brings moisture and a subtle hint of molasses flavor.
  • Egg: Binds everything together; make sure it’s at room temperature for better mixing.
  • Vanilla extract: A little magic that rounds out the flavors beautifully.
  • Shredded zucchini: Fresh and squeezed dry to avoid extra moisture, adding natural softness.
  • Chocolate chips: The star ingredient—semisweet or milk chocolate works great depending on your sweet tooth.
Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Variations

I love tweaking this Chocolate Chip Zucchini Cookie Bars Recipe depending on my mood or what’s in my pantry. Feel free to experiment with nuts, spices, or even chocolate types—you’ll find that each addition brings a new twist that your taste buds will thank you for.

  • Nutty Upgrade: I sometimes toss in chopped walnuts or pecans for a satisfying crunch that complements the soft bars perfectly.
  • Chocolate Swap: Dunk in white chocolate chips or dark chocolate chunks for different chocolate flavor profiles.
  • Spice it Up: Add a pinch of nutmeg or ground ginger for a deeper spice layer—especially cozy in cooler months.
  • Healthier Twist: Substituting half the flour for whole wheat pastry flour gives a nuttier flavor, though I’d watch the moisture closely.

How to Make Chocolate Chip Zucchini Cookie Bars Recipe

Step 1: Prep and Mix the Dry Ingredients

Start by preheating your oven to 350°F (175°C) and lining a 9×13-inch baking pan with parchment paper—this makes cleanup so much easier. Then, in a medium bowl, whisk together the flour, baking soda, cinnamon, and salt until evenly combined. Having your dry mix ready helps keep things moving smoothly when you add the wet ingredients.

Step 2: Cream Butter and Sugars

In a large bowl, use a hand or stand mixer to cream together the softened butter, granulated sugar, and brown sugar until the mixture looks light and fluffy—typically about 2-3 minutes. This step is crucial because it aerates the batter, making your bars tender instead of dense. If the butter is too cold, this will be tougher, so be patient and use softened butter for the best results.

Step 3: Add Egg, Vanilla, and Zucchini

Beat in one large egg and a teaspoon of vanilla extract until fully incorporated. Next, gently fold in your shredded zucchini—make sure to squeeze out most of that excess moisture before adding it or your bars might turn out soggy. I learned this trick the hard way, so trust me, it’s worth the extra squeeze!

Step 4: Combine Wet and Dry Ingredients and Fold in Chocolate Chips

Slowly add your dry ingredient mixture to the wet ingredients, mixing just until everything is combined. Overmixing can make the bars tough, so it’s okay if you still see a few flour streaks. Finally, fold in the chocolate chips, making sure they’re evenly distributed throughout the batter.

Step 5: Bake and Cool

Spread the batter evenly into your prepared pan, smoothing the top with a spatula. Bake for 20-25 minutes, keeping a close eye near the end. You’ll know they’re done when the edges are golden brown and a toothpick poked in the center comes out clean or with just a few moist crumbs. Let the bars cool completely in the pan before slicing—this helps them set perfectly and prevents crumbling.

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Pro Tips for Making Chocolate Chip Zucchini Cookie Bars Recipe

  • Squeeze Zucchini Well: After shredding, wrap zucchini in a clean kitchen towel and squeeze firmly to remove excess water—this keeps your bars from turning into a soggy mess.
  • Don’t Overmix: Once you add the flour, mix just until the dry ingredients disappear; too much stirring develops gluten and makes the bars tough.
  • Check Baking Time Early: Start checking at 20 minutes to avoid overbaking; the bars should feel set but still soft and chewy.
  • Cool Fully Before Cutting: Let the bars cool in the pan so they firm up, making clean slices easier.

How to Serve Chocolate Chip Zucchini Cookie Bars Recipe

Chocolate Chip Zucchini Cookie Bars Recipe - Recipe Image

Garnishes

I like to keep it simple with these bars—sometimes a quick dusting of powdered sugar or a drizzle of melted chocolate over the top adds a little fancy flare without overwhelming their cozy charm. For an extra treat, a dollop of whipped cream or a scoop of vanilla ice cream on the side turns these bars into a lovely dessert.

Side Dishes

Pair these zucchini cookie bars with a hot cup of coffee or tea—the slight cinnamon warmth in the bars really shines with a warm drink. For brunch, they go wonderfully alongside fresh fruit or yogurt to balance out the richness.

Creative Ways to Present

Whenever I bring these bars to a gathering, I like to cut them into bite-sized squares and serve them on a pretty platter lined with fresh mint leaves or edible flowers. It’s a small touch that makes the simple bars feel special and inviting, perfect for a spring or summer potluck.

Make Ahead and Storage

Storing Leftovers

After cooling completely, I keep leftover chocolate chip zucchini cookie bars in an airtight container at room temperature for up to 3 days. This way, they stay soft and moist. If your kitchen is warm or humid, popping them in the fridge extends their life up to a week, but I recommend warming them slightly before eating.

Freezing

These bars freeze beautifully! I like to slice them first, wrap individual pieces tightly in plastic wrap, then bundle them in a freezer-safe zip-top bag. When you’re ready for a treat, just thaw at room temperature or gently warm them in the microwave for about 20 seconds.

Reheating

To bring back that fresh-baked feeling, I pop the bars into a microwave for 15-20 seconds or into a warm oven (about 300°F) for 5-7 minutes. This softens them up nicely and reactivates that melty chocolate goodness.

FAQs

  1. Can I use frozen zucchini for this Chocolate Chip Zucchini Cookie Bars Recipe?

    Frozen zucchini can work in a pinch, but you must thaw it completely and squeeze out as much moisture as possible. The more water content left in the zucchini, the more the bars risk becoming soggy or too dense, so handle the moisture carefully.

  2. How do I prevent the bars from being too wet?

    The key is to squeeze the shredded zucchini very well with a clean towel before folding it into the batter. Excess water affects the texture, so the drier your zucchini, the better your bars will hold together and bake evenly.

  3. Can I make this recipe gluten-free?

    Yes! You can substitute the all-purpose flour with a 1:1 gluten-free baking blend, but keep an eye on the texture. Sometimes gluten-free flours absorb liquid differently, so you might need to adjust zucchini moisture or baking time slightly.

  4. How long do these zucchini cookie bars last?

    Stored in an airtight container at room temperature, the bars keep well for up to 3 days. Refrigerating extends their life to about a week. Just remember to bring them back to room temp or warm slightly before serving for the best texture.

Final Thoughts

I’ll admit it: this Chocolate Chip Zucchini Cookie Bars Recipe has become one of my favorite secret weapons for quick, homey baking that impresses without stress. The way they balance nutrition with indulgence is something I keep coming back to, especially when I want a no-fuss dessert that feels comforting but a little special. I hope you’ll give them a try and find yourself as hooked as my family and I are. Whenever zucchini is in season, these bars are an absolute must-bake!

Print
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Chocolate Chip Zucchini Cookie Bars Recipe

Chocolate Chip Zucchini Cookie Bars Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4.8 from 124 reviews
  • Author: Jessica
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 40 minutes
  • Yield: 24 bars
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Description

These Chocolate Chip Zucchini Cookie Bars are a soft, chewy treat that perfectly balances the moisture of shredded zucchini with sweet chocolate chips. Made with warming cinnamon and a hint of vanilla, these bars are easy to whip up and bake in one pan, making them a fantastic dessert or snack that sneaks in some veggies without compromising on flavor.


Ingredients

Dry Ingredients

  • 2 cups all-purpose flour
  • 1 teaspoon baking soda
  • 1 teaspoon cinnamon
  • ½ teaspoon salt

Wet Ingredients

  • ½ cup unsalted butter, softened
  • ½ cup granulated sugar
  • ½ cup packed light brown sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1 cup shredded zucchini, squeezed dry

Add-ins

  • 1 cup chocolate chips


Instructions

  1. Preheat and Prepare Pan: Preheat your oven to 350°F (175°C). Line a 9×13 inch baking pan with parchment paper, ensuring it covers the bottom and sides for easy removal.
  2. Mix Dry Ingredients: In a medium bowl, whisk together the all-purpose flour, baking soda, cinnamon, and salt until evenly combined.
  3. Cream Butter and Sugars: In a large bowl, cream the softened unsalted butter with the granulated sugar and light brown sugar using an electric mixer or by hand until the mixture is light and fluffy. This helps incorporate air for a tender crumb.
  4. Add Egg and Vanilla: Beat in the large egg and vanilla extract to the creamed butter-sugar mixture until fully blended and smooth.
  5. Incorporate Zucchini: Gently fold the shredded zucchini, having squeezed out excess moisture, into the wet ingredients to maintain the batter’s moisture without becoming soggy.
  6. Combine Wet and Dry Ingredients: Gradually add the dry ingredients to the wet mixture, folding gently and mixing just until combined. Avoid overmixing to keep the bars tender.
  7. Add Chocolate Chips: Stir in the chocolate chips evenly throughout the batter.
  8. Spread and Bake: Spread the batter evenly into the prepared baking pan, smoothing the top with a spatula. Bake for 20-25 minutes, or until the edges turn golden brown and a toothpick inserted in the center comes out clean.
  9. Cool and Cut: Allow the bars to cool completely in the pan on a wire rack. Once cooled, lift the parchment paper to remove the bars and cut into 24 two-bite sized pieces.

Notes

  • Squeeze the shredded zucchini thoroughly to remove excess moisture to prevent the bars from turning out too wet or dense.
  • Watch the baking time closely; overbaking can dry out the bars. They are best when soft and chewy.
  • Store cooled bars in an airtight container at room temperature for up to 3 days, or keep refrigerated for up to one week to maintain freshness.

Nutrition

  • Serving Size: 1 bar
  • Calories: 140 kcal
  • Sugar: 11 g
  • Sodium: 110 mg
  • Fat: 7 g
  • Saturated Fat: 4 g
  • Unsaturated Fat: 2 g
  • Trans Fat: 0 g
  • Carbohydrates: 18 g
  • Fiber: 1 g
  • Protein: 2 g
  • Cholesterol: 30 mg

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