Air fryer zucchini chips become lightly crisp with thin slices, thorough drying, and a single uncrowded basket layer.

Air Fryer Zucchini Chips That Turn Crisp

Zucchini contains plenty of water, so uniform 1/8-inch slices and careful drying matter more than extra oil. This recipe makes four snack servings.

Prep: 12 minutes
Cook: 14 to 18 minutes per batch
Temperature: 325 degrees F
Yield: 4 snack servings

Zucchini, oil, parmesan, garlic powder, salt and pepper — Choose firm medium zucchini for slices with similar diameters.

Ingredients

2 medium zucchini, about 12 oz
1 tsp kosher salt, divided
1 tsp olive oil or oil spray
1/2 tsp garlic powder
1/4 tsp black pepper
2 tbsp finely grated Parmesan

How to Make Crispy Zucchini Chips

Slice zucchini into uniform 1/8-inch rounds with a mandoline or sharp knife.
Spread on towels and sprinkle with 1/2 tsp salt.
Rest 10 minutes, then blot both sides completely dry.
Preheat the air fryer to 325 degrees F for 3 minutes.
Toss slices with oil, garlic powder, pepper, remaining salt, and Parmesan.
Arrange one non-overlapping layer in the basket.
Cook 14 to 18 minutes, flipping after 8 minutes.
Remove browned pieces early and cool 3 minutes before serving.

Thin zucchini rounds being dried on a clean towel — Blotting removes surface moisture that would otherwise create steam.

Batch and Timing Tips

Use a mandoline guard and keep fingertips away from the blade.
Do not overlap the rounds.
Begin checking at 12 minutes because thin pieces brown first.
Expect crisp edges and a slightly tender center, not packaged-chip dryness.

Zucchini rounds in one layer inside an air fryer basket — A non-overlapping layer promotes even airflow and browning.

Use a Test Batch for Reliable Timing

Air fryers differ in basket size, fan strength, and how accurately they hold temperature. Cook five or six slices as a test batch before loading the rest. Check them two minutes before the suggested finish time. The chips are ready when the coating is dry, the edges are browned, and the center no longer looks wet.

If the first batch browns before the center cooks, lower the temperature by 15 degrees F. If the slices remain pale and soft, extend the time in one-minute increments rather than raising the heat sharply. Later batches may finish sooner because the air fryer is fully heated.

Moisture Control Matters Most

Slice the zucchini to a consistent thickness so one piece does not burn while another remains soft.
Blot both sides firmly after salting; visible droplets left on the surface create steam.
Coat lightly. Excess oil weighs down the crumb mixture and reduces crispness.
Leave a little space around every round. Overlapping pieces trap moist air.

Move finished chips to a wire rack instead of piling them on a plate. Air circulating underneath helps the coating stay crisp while the next batch cooks. Serve them promptly, because zucchini naturally softens as it stands.

Storage and Reheating

Serve immediately for the best texture.
Refrigerate leftovers for up to 2 days.
Reheat at 325 degrees F for 3 to 4 minutes.

Try them with cottage cheese dip, keto cheese crisps, or air fryer zucchini fries.

Air Fryer Zucchini Chips FAQ

Why are my chips soggy?

The slices may be too thick, insufficiently dried, overlapping, or removed before their edges browned.

Can I omit Parmesan?

Yes. Replace it with 1 tablespoon nutritional yeast or leave it out and reduce the oil slightly.

Crispy Air Fryer Zucchini Chips (Healthy Snack)