Oven-Baked Zucchini Chips

A crispy, guilt-free snack made with fresh zucchini, olive oil, and savory spices, baked to absolute perfection in the oven.

Why This Recipe Works:

• Salting the zucchini slices draws out excess water, preventing steam from making them soggy.
• Slicing them uniformly with a mandoline ensures even baking so every chip crisps at the same rate.
• Baking at a low temperature allows the moisture to evaporate completely before the edges burn.

I still remember the humid Tuesday afternoon in July when I confidently sliced three massive zucchinis, tossed them in oil, and ended up with a baking sheet of sad, grey slime.

It was a disaster.

My fingers were slick with olive oil as I fished out the soggy rounds, my forearms aching from scrubbing the burnt residue off my cheap aluminum pan that warped the second it hit the heat, a brand that failed every single test because of its terrible thermal mass.

The problem is simple physics: zucchini is basically a water balloon masquerading as a vegetable, clocking in at roughly ninety-five percent moisture.

If you just bake them, that water turns to steam and ruins everything.

The secret to hands down the best crunch is drawing that water out first using Diamond Crystal kosher salt, which creates an osmotic pressure gradient that forces the moisture to the surface.

Bear with me here.

Once you wipe that moisture away, you are left with concentrated zucchini flavor and a structure that actually crisps up beautifully.

If you love zucchini but want a different texture, you can try my Umami Zucchini Noodles or even a hearty Ground Turkey and Zucchini Skillet.

While these chips are baked, you can also make Crispy Baked Zucchini Fries for a sturdier side, or try Air Fryer Banana Chips if you want a sweeter crunch that satisfies those late-night snack cravings without any guilt, keeping your pantry stocked with whole-food alternatives.

Oven-Baked Zucchini Chips

• Publisher Storied Skillet
• Cuisine American
• Category Snack, Healthy Snacks
• Prep Time 20 mins
• Cook Time 2 hours
• Servings 2
• Calories 85 calories
• Rating 4.8 4983
• Tags zucchini chips, baked zucchini, healthy snacks, low carb chips

Ingredients

• 2 medium zucchinis, sliced 1/16-inch thick
• 1 tablespoon olive oil
• 1 teaspoon Diamond Crystal kosher salt (or 1/2 tsp fine sea salt)
• 1/2 teaspoon garlic powder
• 1/4 teaspoon freshly cracked black pepper
• 1/4 cup finely grated Parmesan cheese (optional)

Directions

1. Slice the zucchinis uniformly using a mandoline slicer set to 1/16-inch thickness.
2. Lay the slices in a single layer on paper towels and sprinkle with Diamond Crystal kosher salt. Let sit for 15 minutes to draw out moisture.
3. Blot the tops of the slices firmly with additional paper towels to remove all surface water.
4. Preheat your oven to 225°F (110°C) and line two large baking sheets with parchment paper.
5. In a bowl, gently toss the dried zucchini slices with olive oil, garlic powder, and black pepper until lightly coated.
6. Arrange the slices in a single layer on the prepared baking sheets, ensuring they do not overlap.
7. Bake for 1.5 to 2 hours, rotating the pans halfway through, until the chips are golden and crisp.
8. Let them cool completely on the baking sheets; they will continue to crisp up as they cool.

Notes

• I highly recommend using Diamond Crystal kosher salt; if you only have fine table salt, cut the volume in half (use 1/2 teaspoon instead of 1 teaspoon) to avoid over-salting.
• The low oven temperature (225°F) is crucial because it allows slow moisture evaporation without triggering the Maillard reaction too quickly, which would burn the delicate sugars in the zucchini before they dehydrate.
• Do not walk away during the last 15 minutes of baking; these chips transition from perfectly golden to bitter and burnt in a matter of minutes.
• After a day in the fridge, any leftover chips will lose their crispness due to ambient humidity; store them in an airtight container with a piece of parchment paper to absorb moisture, or quickly re-crisp them in a warm oven.

Serving Suggestions

These crispy chips are fantastic on their own, but pairing them with a flavorful dip makes them feel like a true party appetizer.

• Serve alongside a bowl of creamy Greek yogurt dill dip.
• Pair with a zesty marinara sauce for a pizza-inspired snack.
• Garnish with extra freshly grated Parmesan cheese and lemon zest.
• Serve as a crunchy side to a light summer sandwich.
• Drizzle with a touch of hot honey right before serving.

Storage and Reheating

Let's be completely honest here: these chips are best eaten the day they are made. Because they contain zero preservatives, they will naturally absorb moisture from the air and soften up over time.

It is just the law of physics.

If you do have leftovers, pack them into a glass jar or airtight container with a clean paper towel tucked at the bottom to catch any stray humidity, and keep them at room temperature rather than the fridge, which is a hotbed for condensation.

To bring back that satisfying crunch, pop them back onto a baking sheet at 250°F for about five minutes.

Ingredient Substitutes

If you don't have everything on hand, here are a few easy swaps that work beautifully.

1. Zucchini: Yellow summer squash works exactly the same way and adds a beautiful pop of color.
2. Olive Oil: Avocado oil is an excellent substitute with a neutral flavor and high smoke point.
3. Garlic Powder: Swap in onion powder, smoked paprika, or Italian seasoning to change up the flavor profile.
4. Parmesan: Nutritional yeast is a fantastic dairy-free alternative that still delivers a rich, cheesy flavor.

Go slice up some zucchini, tap your tongs against your hip, and enjoy the most satisfying crunch you've had all week. Let me know how yours turn out!