Low Calorie Zucchini Chips taste salty, crispy, and a little cheesy, which always surprises people who expect soggy vegetables. They work perfectly for snackers who crave crunch but want something lighter, and you can finish a batch in about 45 minutes from first slice to last bite. I test zucchini recipes way more than any normal person, and my kids now call these “green potato chips” without complaining, which feels like a life achievement.

Why You Should Try This Low Calorie Zucchini Chips

Low Calorie Zucchini Chips hit that snack sweet spot where you get crunch, flavor, and a big bowl of food for very few calories. You season thin zucchini slices, bake them until crisp, and enjoy a chip that tastes indulgent but fits into weight loss, low carb, or general healthy eating goals.

You control the oil, salt, and toppings, so you skip the mystery ingredients from store bought chips. They also help use up that pile of garden zucchini that multiplies faster than your motivation on a Monday.

“These Low Calorie Zucchini Chips taste like a cross between kettle chips and roasted veggies, and I ate the whole tray without guilt. ★★★★★”

Ingredients You’ll Need

Zucchini

2 medium zucchini, firm and fresh
- Choose zucchini about 6 to 7 inches long with smooth skin.
- Smaller zucchini give better texture and less water.
- Avoid oversized zucchini, which taste watery and turn floppy instead of crisp.

Oil and seasonings

1 to 1½ tablespoons olive oil or avocado oil
- Spray oil works great if you want ultra low calorie zucchini chips.
- I like avocado oil for higher heat and neutral flavor.
½ to ¾ teaspoon fine sea salt
- Fine salt sticks better to thin slices.
- Adjust to taste after baking so you avoid oversalting.
¼ teaspoon black pepper
¼ teaspoon garlic powder
¼ teaspoon onion powder

Optional seasoning boosts:

2 tablespoons grated parmesan or nutritional yeast
¼ teaspoon smoked paprika or chili powder for a little heat
¼ teaspoon Italian seasoning for a herby version
Pinch of cayenne if you like a kick

Optional breading style version

If you want a slightly thicker, more “chip shop” style crunch and still keep calories low:

2 tablespoons panko breadcrumbs (whole wheat if you prefer)
1 tablespoon finely grated parmesan
Light spray of oil instead of full tablespoon

Mix panko and parmesan in a small bowl and press the zucchini slices into it after you brush them with a tiny bit of oil or egg white. This version adds texture and still stays lighter than traditional chips.

Pantry shortcuts & brand notes

Garlic and onion powder: Use any basic grocery brand; no need for fancy labels.
Smoked paprika: Spanish smoked paprika adds great flavor; I often use the McCormick or Trader Joe’s version.
Parmesan: Pre grated works, but finely grated from a wedge melts and browns more evenly.

Equipment list

Sharp knife or mandoline slicer
- A mandoline gives super even slices, which helps them crisp at the same rate.
Large baking sheet (light colored pans help prevent burning)
Parchment paper or silicone baking mat
Large bowl for tossing the zucchini
Paper towels or clean kitchen towels
Cooling rack (optional, but helps chips stay crisp)
Tongs or spatula

Tips & Tricks

Slice the zucchini very thin, about 1/16 to 1/8 inch, so they crisp instead of steam.
Pat the slices very dry with paper towels before seasoning to remove extra moisture.
Use a light hand with oil; too much oil turns them soft and greasy instead of crisp.
Spread slices in a single layer with no overlap so air can circulate around each chip.
Rotate the baking sheet halfway through baking to prevent hot spots and burning.
Check the chips early and often near the end; they go from perfect to too dark quickly.
Pull smaller, thinner slices off the tray as they finish and let thicker ones keep baking.
Cool the chips completely on a rack so steam can escape and the crunch sets.
Season lightly before baking, then adjust salt and spices after you taste the first few.
Use convection or fan bake if your oven has it, and lower the temp by about 25 degrees.
If chips soften, re crisp them in a hot oven for a few minutes instead of the microwave.
Make two trays, but bake one at a time for the crispiest results.

How to Make Low Calorie Zucchini Chips

Step 1: Prep the zucchini

Wash the zucchini and dry them very well. Trim the ends, then slice them into thin rounds, about 1/16 to 1/8 inch thick. Use a mandoline for even slices, or a sharp knife if you feel confident. Lay the slices on paper towels, sprinkle lightly with salt, and let them sit 10 to 15 minutes so they release some moisture.

After they sit, blot the tops with fresh paper towels to soak up the water. This step makes a big difference in getting crisp low calorie zucchini chips. If you skip it, you usually get more chew than crunch.

Step 2: Season the slices

Preheat your oven to 225 to 250°F and line a baking sheet with parchment or a silicone mat. Add the zucchini slices to a large bowl. Drizzle with oil or spray lightly, then toss until every slice has a thin, even coat. Sprinkle in garlic powder, onion powder, black pepper, and a small pinch of salt, then toss again.

If you use parmesan or nutritional yeast, add it now and toss gently so it sticks. For the panko version, brush or spray the slices with oil, then press each slice into the panko parmesan mix and place it on the tray. Keep the coating light so the chips still bake crisp and not bready.

Step 3: Arrange on the baking sheet

Lay the seasoned zucchini slices on the prepared baking sheet in a single layer. Leave a little space between slices so they do not touch. Crowding leads to steaming, and steaming leads to sadness in chip form.

If you bake two trays, place one on the middle rack and one slightly above, then swap them halfway through. I still get the best crunch when I bake one tray at a time, so I do that when I want perfect results.

Step 4: Bake until crisp

Place the tray in the oven and bake for 45 to 70 minutes, depending on your oven and slice thickness. Start checking around the 35 minute mark. The chips should shrink, dry out, and turn lightly golden around the edges.

Rotate the tray halfway through baking so they cook evenly. As some chips finish before others, pull them off the tray with tongs and transfer them to a cooling rack. Let the rest keep baking until they feel dry and crisp when you tap them.

Step 5: Cool and season to taste

Move all finished chips to a cooling rack or a plate lined with paper towels. Let them cool completely; they crisp up even more as they cool. Taste one, then add a tiny sprinkle of extra salt or seasoning if you want more flavor.

If you plan a flavored batch, toss the warm chips with a pinch of smoked paprika, chili powder, or extra parmesan right after they come out of the oven. Serve your low calorie zucchini chips right away or store them once they cool fully.

What to Serve with Low Calorie Zucchini Chips

Low Calorie Zucchini Chips pair nicely with Greek yogurt dip, hummus, or a simple salsa for extra flavor and protein. I also like them next to turkey sandwiches, grilled chicken, or veggie burgers when I want a lighter side than fries. Kids often enjoy them with ketchup or ranch style yogurt dip, which turns them into a fun after school snack. You can even crumble leftover chips over salads or grain bowls for a crunchy topping.

Storage Options

Store fully cooled zucchini chips in an airtight container at room temperature for 1 to 2 days.
If your kitchen feels humid, keep them in the fridge for up to 3 days, but expect a little loss of crunch.
Avoid the freezer, since zucchini chips pick up moisture and turn limp after thawing.
Reheat soft chips on a baking sheet in a 300°F oven for 5 to 8 minutes until they crisp again, then cool briefly before eating.