Zucchini Chips Air Fryer: Crispy Results in 15 Minutes

By Colin Foster

Updated November 2026

Zucchini chips in the air fryer come out light, crisp, and golden in about 12 to 15 minutes, with far less oil than a deep-fried version. The secret is removing as much moisture as possible before the zucchini ever hits the basket, then cooking in a single layer at a steady temperature. This guide walks through slicing, salting, seasoning, cooking, and troubleshooting so your batch turns out crunchy every time.

What You Need Before You Start

Zucchini is mostly water, which is why homemade chips so often turn limp. A little preparation makes a big difference, and most of it takes less than 20 minutes of hands-on time.

Shopping for one? See our guide: 6 Best Air Fryer Sweet Potato Fries (2026): Expert Picks.

• One or two medium zucchini (about 8 to 9 ounces each)
• A sharp knife, mandoline, or food processor with a slicing blade
• Fine sea salt or kosher salt
• Paper towels or a clean kitchen towel
• 1 to 2 teaspoons olive oil or avocado oil, or a light cooking spray
• Seasonings of your choice (see the table below)
• An air fryer with a perforated basket or tray
• Parchment liners, optional, with holes punched for airflow

Step 1: Choose and Slice the Zucchini

Select firm zucchini with smooth, unblemished skin. Smaller zucchini tend to have fewer seeds and less water, so they usually crisp better than oversized ones. Trim both ends, then slice the zucchini into rounds or long, thin ribbons.

Slice thickness

Aim for slices between 1/8 inch and 1/4 inch thick. Thinner slices crisp faster but can scorch at the edges. Thicker slices stay tender in the center and need a few extra minutes. Keep your slices as uniform as possible so they finish at the same time. A mandoline set to 1/8 inch gives the most consistent results, but a sharp chef’s knife works well if you go slowly.

Rounds or ribbons

Rounds are the classic choice and stack neatly in the basket. Ribbons, made with a vegetable peeler, curl and crisp at the edges and look like potato chips. They are more delicate, so use a slightly lower temperature for them.

Step 2: Draw Out the Moisture

This is the step most people skip, and it is the one that matters most. Place the slices in a single layer on paper towels, sprinkle them lightly with salt (about 1/2 teaspoon per medium zucchini), and let them sit for 15 to 20 minutes. You will see beads of liquid form on the surface.

Pat the slices thoroughly dry with fresh paper towels or a clean towel. Press gently but firmly. The drier the surface, the faster it browns and the crisper it gets. Skip rinsing the salt off, since a light salt film adds flavor and helps seasonings stick.

Step 3: Season and Lightly Oil

Toss the dried slices in a bowl with 1 to 2 teaspoons of oil. Use just enough to coat the surface with a thin sheen. Too much oil makes the chips greasy, while too little leaves them dry and dull. A light spray of oil works well for an even coat without pooling.

Add your seasonings after oiling so they cling to the surface. Start simple, then experiment:

Parmesan adds browning, so reduce or omit it if you want a cleaner, crisper finish. Fine herbs and dried spices burn more easily than coarse ones, so keep the amounts modest.

Step 4: Arrange and Cook in the Air Fryer

Preheat the air fryer to 375°F for about three minutes. Arrange the zucchini in a single layer, leaving small gaps between pieces so hot air can circulate. Overlapping slices steam each other and stay soft. If your basket is small, work in two or three batches rather than crowding it.

1. Preheat the air fryer to 375°F for 3 minutes.
2. Place the seasoned slices in one even layer in the basket.
3. Cook for 6 minutes, then pull the basket and shake or flip the slices.
4. Continue cooking for 4 to 6 more minutes, checking every 2 minutes after the 10-minute mark.
5. Remove when the edges are golden and the chips feel dry and crisp. They will firm up further as they cool.

Thin ribbons or very thin rounds may need only 8 to 10 minutes total, while thicker rounds can take up to 16 minutes. Because appliances vary in power and basket size, treat these times as starting points and watch the first batch closely.

Working in batches

Cook one layer at a time and keep finished chips on a wire rack while you work through the rest. Leaving them piled on a plate traps steam and softens the coating you just crisped. If you need to hold a batch, return it to the air fryer for 1 to 2 minutes at 350°F to revive the texture.

Step 5: Cool, Season Again, and Serve

Let the chips rest for two to three minutes on a rack. They crisp further as they lose residual heat. If you want a little extra flavor, dust them with a pinch of salt or grated Parmesan while they are still hot, since the surface is slightly oily and the seasoning sticks well at this stage. Serve immediately for maximum crunch.

Common Mistakes

• Skipping the salt-and-dry step. This is the top reason chips turn out limp. Moisture left on the surface steams the zucchini instead of browning it.
• Overcrowding the basket. Stacked slices trap steam. Cook in one layer, even if it takes extra batches.
• Slices of uneven thickness. Thin pieces burn while thick ones stay soft. Use a mandoline or slice carefully.
• Using too much oil. A light coat is enough. Excess oil makes the chips heavy and greasy.
• Seasoning before oiling. Dry spices fall off the slices. Toss with oil first, then season.
• Cooking at too high a temperature. Above about 400°F, the outside darkens before the inside dries out. Stay around 375°F.
• Storing warm chips. Trapped heat creates condensation. Let them cool fully before sealing them in a container.

Tips for Better Results

• Scoop out the seeds from larger zucchini with a spoon before slicing. The seed core holds the most water.
• Place a sheet of parchment with holes punched in it under the slices to prevent sticking, but make sure air can still reach the bottom.
• For extra crunch, add a few minutes at the end of cooking and watch closely so the seasoning does not scorch.
• If you are cooking other vegetables, sweet potato, or chicken in the same appliance, cook the zucchini separately, since its moisture can slow browning in a crowded basket.
• Make chips right before serving. Zucchini chips are best within 30 minutes of cooking. Leftovers can be revived in the air fryer at 350°F for about 2 minutes.

If you enjoy cooking other vegetables this way, the same principles apply across many dishes. Our guide to Veggies in Air Fryer: A Step-by-Step Guide for Crispy Results covers broccoli, carrots, and more, and the Sweet Potato in Air Fryer: Crispy Skin and Fluffy Center in 40 Minutes article shows how to handle a denser vegetable with a longer cook time. For a plant-based protein crisp, see Tofu in Air Fryer: A Step-by-Step Guide for Crispy Results.

Recommended gear

A few tools make the process faster and more consistent, especially if you cook chips often.

• Mandoline slicer. A mandoline with an adjustable thickness setting gives you the uniform 1/8-inch slices that cook evenly. Look for one with a hand guard for safety. View on Amazon
• Parchment liners for air fryers. Pre-perforated liners keep slices from sticking and make cleanup easier while still allowing airflow. View on Amazon
• Cooling rack. A small wire rack lets chips cool without steaming on a plate, preserving crispness between batches. View on Amazon
• Oil spray bottle. A refillable mister gives an even, light coat of oil without overdoing it. View on Amazon

FAQ

Do I need to peel zucchini before making chips?

No. The skin is thin, holds color well, and adds a bit of structure that helps the chips stay intact. Just wash the zucchini and trim the ends before slicing.

Why are my zucchini chips soggy?

The most common causes are not drawing out enough moisture, overcrowding the basket, or slices that are too thick. Salt the slices, pat them completely dry, and cook in a single layer for the best results.

What temperature is best for zucchini chips in the air fryer?

Most people get good results at 375°F. This temperature dries the slices and browns the edges without burning them before the centers are crisp. Lower it slightly for very thin ribbons.

Can I make zucchini chips without oil?

Yes, though they will be drier and less golden. Salting and drying the slices still produces a crisp result. A light spray of oil helps the seasonings stick and gives a more even browning.

How long do zucchini chips stay crispy?

They are at their best within about 30 minutes of cooking. Store cooled chips in an airtight container at room temperature and reheat them briefly in the air fryer to restore crunch.

Can I use frozen zucchini for chips?

Frozen zucchini releases a lot of water when thawed and usually turns out limp. Fresh zucchini is the better choice for chips.

Are zucchini chips a healthy snack?

Zucchini is low in calories and provides fiber and vitamins, and air frying uses much less oil than deep frying. Nutritional content depends on the seasonings and oil you use. If you have specific dietary needs or sodium restrictions, consult a registered dietitian or your healthcare provider.

Conclusion

Crispy zucchini chips come down to three habits: slice evenly, draw out the moisture with salt and a thorough pat-dry, and cook in a single layer at 375°F. Once you have the basic method down, experiment with seasonings from the table and adjust cook times to your appliance. With a little practice, you will have a snack that rivals any store-bought chip.

Related reading

• Typhur Dome 2 Air Fryer: Setup, Settings, and Tips for Better Results
• Top 10 Things to Cook in an Air Fryers: Expert Picks for Every Kitchen
• Tofu Air Fryer Recipes: 6 Crispy Methods That Actually Work

About Colin Foster

Colin Foster is part of our editorial team and reviews and edits our home cooking with appliances guides, checking product details against manufacturer specifications and owner feedback.