The first time I pulled a tray of golden-brown zucchini chips from the oven, I couldn’t believe something so simple could taste this good. These aren’t your typical soggy vegetable side dish—they’re crispy, savory, and addictive enough that my kids actually fight over the last few pieces. Coated with olive oil, Parmesan, and just the right blend of spices, then baked until perfectly crisp, these chips have become my go-to solution for summer’s zucchini abundance. They work equally well as a healthy snack or an elegant side dish that impresses dinner guests.
Why You’ll Love This Dish
These zucchini chips deliver restaurant-quality crispiness right from your home oven. The secret lies in salting the zucchini first to draw out excess moisture, then baking at a high temperature that transforms them into crispy, chip-like perfection. They’re naturally gluten-free and low-carb, making them suitable for various dietary preferences, and they use simple pantry ingredients you likely already have on hand. Unlike deep-fried chips, these are baked with minimal oil, so you can feel good about serving them to your family. They’re especially perfect during summer when zucchini is abundant and you’re looking for creative ways to use it all. Kids who typically turn their noses up at vegetables somehow can’t resist these crispy rounds.
“Wow! These are really good (and I’m not a big zucchini fan, I just had a bunch I was trying to get rid of before they went bad.) Yum, they are so nice and crispy and delicious! Thanks for the recipe!”
Preparing Baked Zucchini Chips
The process begins with slicing fresh zucchini into thin, even rounds—consistency here ensures they cook uniformly. These slices then get salted and left to rest in a colander, a crucial step that draws out the vegetable’s natural moisture. After 30 minutes, you’ll notice water droplets beading on the surface, which is exactly what you want to see. Rinsing away the salt and thoroughly patting the slices dry prepares them for baking. The dried rounds get arranged on a parchment-lined baking sheet, sprayed with olive oil, and baked in a hot 425°F oven. Halfway through, you’ll season them with salt, pepper, garlic powder, and finely grated Parmesan before returning them to finish crisping. The high heat evaporates any remaining moisture while the Parmesan creates a savory, golden crust.
What You’ll Need
For preparing:
- Olive oil spray (avocado oil spray or melted butter work as alternatives)
- 2 medium zucchini, about 1 pound total (choose small, firm zucchini for best results)
For seasoning:
- ¾ teaspoon kosher salt, divided
- ¼ teaspoon black pepper
- ½ teaspoon garlic powder
- ¼ cup finely grated Parmesan cheese (not coarsely shredded—this is important for even coating)
Step-by-Step Instructions
Prep the baking sheet: Preheat your oven to 425°F. Line a rimmed baking sheet with high-heat-resistant parchment paper and coat it lightly with olive oil spray.
Slice the zucchini: Cut the zucchini into ⅛-inch-thick rounds, keeping them as uniform as possible for even cooking.
Salt and drain: Sprinkle the zucchini slices with ½ teaspoon of kosher salt. Place them in a colander set in your sink and let them stand for 30 minutes at room temperature. This draws out excess water that would prevent crispiness.
Rinse and dry: After 30 minutes, rinse the zucchini slices under cool water to remove the salt. Blot them thoroughly dry using paper towels—this step is crucial, so don’t rush it.
First bake: Arrange the dried zucchini slices in a single layer on your prepared baking sheet. Spray them lightly with olive oil. Bake for 15 minutes, checking at the 10-minute mark to see how they’re progressing.
Season and finish: Remove the baking sheet from the oven. Sprinkle the zucchini with the remaining ¼ teaspoon salt, black pepper, garlic powder, and grated Parmesan. No need to flip the slices.
Final bake: Return the pan to the oven and continue baking for 15-20 more minutes, until the chips are browned and crisp. Some pieces may finish before others—remove the crispy ones and let the rest continue baking.
Best Ways to Enjoy It
These chips shine as both a snack and a side dish. When serving them as an appetizer or snack, set out small bowls of dipping sauces like ranch dressing, blue cheese dressing, Greek yogurt dip, guacamole, salsa, or sour cream-based dips. Unsweetened ketchup is a surprising hit with kids. For a heartier snack, pair them with cream cheese dip or a keto cheese sauce. As a side dish, they complement proteins beautifully—especially those that bake at the same 425°F temperature, like chicken parmesan, chicken leg quarters, blackened salmon, baked cod, or roasted rack of lamb. The crispy texture and savory Parmesan flavor make them sophisticated enough for dinner parties yet casual enough for weeknight meals. Serve them immediately while they’re still warm and crispy for the best experience.
The Best Way to Save Extras
Store leftover zucchini chips in an airtight container in the refrigerator for 2-3 days. Be aware that they will lose their crispiness during storage, becoming softer and more like cooked zucchini slices than chips. To restore some of the crunch, spread the refrigerated chips on a baking sheet and reheat them uncovered in a 350°F oven for about 10 minutes. This won’t make them quite as crispy as when they were fresh, but it significantly improves the texture. Because zucchini has such high water content, freezing isn’t recommended—the chips become mushy and unappetizing when thawed. For the best results, make only as much as you plan to eat in one sitting, or plan to refresh leftovers in the oven before serving.
Tricks for Success
Don’t skip the salting: This might seem like an annoying extra step, but it’s absolutely essential for crispy chips. The salt draws out moisture that would otherwise steam the zucchini instead of crisping it. Trust the process.
Watch your oven closely: Every oven runs differently. Start checking at 10 minutes during the first bake—if your slices are already browning, reduce the time. If they’re still wet after 15 minutes, give them more time before adding the seasonings.
Slice uniformly: Use a mandoline or sharp knife to cut even ⅛-inch slices. Thicker pieces won’t crisp properly, while thinner ones may burn.
Don’t overcrowd: Arrange zucchini slices in a single layer with space between them. Overlapping prevents proper air circulation and creates soggy spots.
Pat them really dry: After rinsing the salted zucchini, use several paper towels to thoroughly blot each slice. The drier they are, the crispier they’ll become.
Remove chips as they finish: Not all slices will crisp at the same rate. Transfer the done ones to a plate and continue baking the rest to prevent burning.
Try the lower-temperature method: Some readers have reported success baking at 350°F for 20 minutes per side. This gentler approach may work better for ovens that run hot.
Creative Twists
Spicy version: Add ¼ teaspoon cayenne pepper or red pepper flakes to the seasoning mix for a kick of heat.
Italian herb blend: Replace the garlic powder with Italian seasoning and add a sprinkle of dried oregano for Mediterranean flavors.
Ranch-flavored: Toss the zucchini with ranch seasoning mix instead of the garlic powder for a familiar, crowd-pleasing taste.
Lemon Parmesan: Add lemon zest to the Parmesan mixture and serve with lemon wedges for a bright, fresh twist.
Everything bagel style: Replace the seasonings with everything bagel seasoning for a trendy, savory coating.
Vegan adaptation: Skip the Parmesan and use nutritional yeast instead for a cheesy flavor without dairy.
Smoky variation: Add ½ teaspoon smoked paprika to the seasoning blend for a barbecue-inspired flavor.
Your Questions Answered
Why aren’t my zucchini chips crispy? The most common culprit is excess moisture. Make sure you’re salting the zucchini for the full 30 minutes, then rinsing and drying them thoroughly. Also ensure your oven is truly at 425°F—use an oven thermometer to verify. Finally, don’t overcrowd the baking sheet, as this traps steam.
Can I salt and dry the zucchini ahead of time? Yes, you can salt the slices for 30 minutes, rinse, and pat them very dry, then refrigerate in a single layer on paper towels for up to 24 hours. Blot them again before baking. However, for optimal crispness, salting them the same day you bake is still recommended.
What if I don’t have a mandoline to slice the zucchini? A sharp chef’s knife works fine—just take your time to cut uniform slices. Consistency matters more than having the perfect tool. Aim for ⅛-inch thickness, roughly the width of two stacked quarters.
Can I use yellow squash instead of zucchini? Absolutely! Yellow summer squash works identically to zucchini in this recipe. You can even mix the two for a colorful presentation.
My chips burned in some spots but stayed soggy in others. What happened? This usually means your zucchini slices weren’t uniform in thickness, or your oven has hot spots. Rotate the baking sheet halfway through cooking, and remove individual chips as they finish rather than trying to bake them all for the same amount of time.
Is there a way to make these in an air fryer? Yes! After salting, rinsing, and drying, arrange the zucchini slices in a single layer in your air fryer basket. Spray with oil and cook at 375°F for 10-12 minutes, checking frequently and removing chips as they crisp. Season with Parmesan and spices during the last 2-3 minutes.
Print
Baked Zucchini Chips
- Total Time: 60 minutes
- Yield: 4 servings
- Diet: Vegetarian
Description
Crispy and savory zucchini chips, baked to perfection with olive oil and Parmesan—a healthy snack or elegant side dish.
Ingredients
- 2 medium zucchini (about 1 pound)
- ¾ teaspoon kosher salt, divided
- ¼ teaspoon black pepper
- ½ teaspoon garlic powder
- ¼ cup finely grated Parmesan cheese
- Olive oil spray
Instructions
- Preheat your oven to 425°F and line a rimmed baking sheet with parchment paper, lightly coating it with olive oil spray.
- Slice the zucchini into ⅛-inch-thick rounds for even cooking.
- Sprinkle ½ teaspoon of kosher salt over the zucchini slices and place them in a colander to stand for 30 minutes to draw out moisture.
- After 30 minutes, rinse the zucchini under cool water and thoroughly pat them dry with paper towels.
- Arrange the dried zucchini slices in a single layer on the prepared baking sheet and spray lightly with olive oil. Bake for 15 minutes, checking at 10 minutes.
- Remove from the oven and sprinkle with the remaining salt, pepper, garlic powder, and Parmesan. No need to flip.
- Return the baking sheet to the oven and bake for an additional 15-20 minutes until browned and crisp, removing chips as they finish baking.
Notes
Store leftover chips in an airtight container in the refrigerator for 2-3 days. To restore crispiness, reheat in the oven at 350°F for 10 minutes.
- Prep Time: 30 minutes
- Cook Time: 30 minutes
- Category: Snack
- Method: Baking
- Cuisine: American