Air Fryer Sweet Potato Chips

The first few rounds can fool you: the edges look crisp, but the middle still bends when you lift one. Sweet potato chips need a little more attention than a single timer suggests, which is why I pull them from the air fryer as they’re ready instead of waiting for every slice to finish together.

For these Air Fryer Sweet Potato Chips, the slices are cut very thin, soaked in cold water, and dried thoroughly before they go into the basket. That drying step matters. A damp slice steams before it has a chance to turn crisp, and a crowded basket traps the same moisture.

Once you get the thin rounds into a single layer, the air fryer does the rest with just a light coating of canola oil. The finished chips are delicate, lightly browned at the edges, and ready for a pinch of kosher salt after a short rest on a wire rack.

Why One Air Fryer Batch Can Have Both Crisp and Flexible Chips

Sweet potato rounds don’t always finish at the same moment. Even with careful slicing, a few may be slightly thicker than their neighbors, and slices around the basket’s outer edge can cook differently from those in the middle. That’s normal with a delicate, thin snack like this.

Think of the listed cook time as a window, not a command to leave every round in until the last minute. The useful cues are on the chip itself: it should look dry, feel crisp, and show a little color at the edges. If one is ready before the rest, take it out and let the other slices keep going. Leaving a crisp chip in the basket while waiting for a thicker one can take it past lightly browned.

Space matters just as much as timing. A single layer gives hot air room to move around each slice; overlapping rounds hold moisture against one another. If your basket won’t fit the full potato without crowding, work in batches. It takes longer, but it gives each batch a fair chance to dry and crisp instead of softening under a pile of slices.

What the Sweet Potato, Oil, and Salt Each Bring to the Basket

• Sweet potato — A medium potato makes a manageable amount for two servings, and a firm one is easier to slice into even rounds than one with soft spots. Scrub it well; there’s no peeling step here. A mandoline gives especially uniform slices, while a sharp knife works too if you take care to keep the rounds as even as you can.
• Canola oil — Its job is to leave a light coating across the slices, not to make them greasy. Use the canola oil listed and toss until the rounds are lightly coated; a puddle of oil in the bowl won’t help the chips crisp. A fresh bottle is fine, but you don’t need a specialty oil for this recipe.
• Cold water — The soak is part of the prep, not a rinse to skip on a busy day. It gives the cut rounds a consistent 20-minute rest before they’re drained and dried. Use cold water as listed, then get the slices out and onto paper towels.
• Kosher salt — Sprinkling it over the chips after their rack rest keeps the finish simple and lets you season the batch at the end. The larger crystals also make it easy to distribute a light pinch across the rounds. If you use a finer-grained salt instead, don’t assume the same volume will taste the same; finer crystals pack more densely.

From Thin Rounds to Crisp Chips: The Four Stages That Matter

Slice the Potato into Even Rounds

Use a mandoline or a sharp knife to cut the scrubbed sweet potato into rounds 1/16 inch thick. Keep the slices as consistent as possible so one isn’t still flexible while its neighbor is already deeply browned. If you’re using a knife, a steady pace is more useful than rushing through the cuts.

Soak, Drain, and Dry Thoroughly

Put the slices in cold water for 20 minutes, then drain them well. Spread them out and pat them completely dry with paper towels; don’t leave visible moisture on either side. This is the point where a careful blot pays off in the air fryer.

Preheat and Coat Lightly

Preheat a 5- to 6-quart basket-style air fryer to 300°F. Toss the dry rounds with the canola oil until they have a light, even coating, rather than leaving oil pooled at the bottom of the bowl. The slices should look lightly slick, not wet.

Air-Fry in a Single Layer, Then Cool

Arrange the rounds in one layer, working in batches if needed, and air-fry for 10 to 15 minutes. Flip them at 6 minutes, then remove individual chips as they become dry, crisp, and lightly browned at the edges; don’t wait for the whole basket to change at once. Set the chips on a wire rack for 5 minutes, then sprinkle with kosher salt.

Two Simple Ways to Adapt These Sweet Potato Chips

Questions That Come Up When Making Air Fryer Sweet Potato Chips

Air Fryer Sweet Potato Chips

Air fryer sweet potato chips are sliced paper-thin, soaked, and cooked in batches at 300°F until crisp and lightly browned at the edges. A brief cool on a wire rack helps them crisp up before they’re salted.

Print Recipe Pin Recipe

Prep Time 5 minutes mins

Cook Time 15 minutes mins

Soaking and cooling 25 minutes mins

Total Time 45 minutes mins

Servings: 2 servings

Course: Snack

Cuisine: American

Calories: 106

Ingredients Equipment Method Notes

Ingredients

  

• 1 sweet potato medium; about 8 ounces, scrubbed
• 4 cups cold water
• 1 teaspoon canola oil
• 0.25 teaspoon kosher salt

Equipment

• 1 5- to 6-quart basket-style air fryer

Method

 

1. Use a mandoline or sharp knife to slice the sweet potato into 1/16-inch-thick rounds.
2. Soak the slices in the cold water for 20 minutes, then drain.
3. Pat the slices completely dry with paper towels so they crisp instead of steam.
4. Preheat a 5- to 6-quart basket-style air fryer to 300°F.
5. Toss the slices with the canola oil until lightly coated.
6. Arrange the slices in a single layer in the basket, working in batches as needed. Air-fry for 10 to 15 minutes, flipping at 6 minutes; remove chips as they turn dry, crisp, and lightly browned at the edges.
7. Cool the chips on a wire rack for 5 minutes.
8. Sprinkle the chips with the kosher salt.

Notes

For the crispest chips, pat the slices completely dry before air-frying. Store in an airtight container at room temperature for up to 3 days; freezing is not recommended.