How to Cook French Fries in an Air Fryer?

French fries are one of the most searched air fryer recipes, and the appliance genuinely earns a reputation here. The results, whether you pull a packet from the freezer or cut fresh potatoes at home, rival a kadhai of hot oil without the mess, the smell, or the amount of fat.

Here is the quick answer before the full guide. For frozen fries, set your air fryer to 200°C and cook for 15 to 18 minutes. Shake the basket once at the halfway mark. For fresh-cut fries, soak sliced potatoes in cold water for 30 minutes first, pat them completely dry, toss with a light oil spray and seasoning, then cook at 190°C for 18 to 22 minutes. Very little oil is needed; just a brief spray over the fries is more than sufficient.

The reason air fryers produce crispy fries is in the heating mechanism. A compact chamber with a high-speed fan circulates hot air at a very close range, hitting the surface of each fry from multiple directions. This rapid convection pulls moisture from the outer layer and creates the same crunch as deep-frying, without submerging the fry in fat. This guide walks through both methods step by step, covers all major fry types with exact settings, and includes the tips that separate soft, pale fries from genuinely crispy ones.

Why Air Fry French Fries

Air frying changes more than just the amount of oil. It changes the cleanup, speed, and how the finished fry holds its crunch.

Less oil than deep frying

Air frying uses less oil than deep frying. Frozen fries are already pre-coated in oil from the factory, so most batches need no oil addition at all. Fresh-cut fries only need a light spray.

Fewer calories per serving

Deep-fried potato fries contain approximately 267 calories per 100g. Air-fried fries with minimal oil have significantly fewer calories, making them suitable for household consumption 2–3 times per week.

Faster than a conventional oven

An air fryer preheats in about 3 minutes. A standard OTG oven takes 10 to 15 minutes. Most frozen fries are fully cooked and crispy in under 20 minutes from a cold start, which is faster than oven-baked fries at any temperature.

Easy cleanup

No oil to cool and dispose of, no stovetop splatter. The basket and tray rinse clean in minutes. On the Kilig Nexa Core 4L, both the borosilicate glass basket and the stainless steel tray are dishwasher-safe.

How to Make Frozen French Fries in an Air Fryer

Most supermarket frozen fries are pre-blanched and lightly coated in oil. They crisp well in an air fryer with no additional prep. Around 200°C (400°F) is the standard temperature for crispy frozen fries of all standard cut types.

Step 1: Preheat the air fryer

Run the air fryer at 200°C for 3 minutes before placing food inside. A preheated chamber starts crisping fries from the first second they enter the basket. Starting from cold produces a steamed texture for the first few minutes before the crispiness kicks in.

Step 2: Take the fries directly from the freezer

Do not defrost frozen fries before air frying. Cooking fries directly from frozen produces better results, as the ice crystals on the surface create a burst of steam that actually helps the interior cook through before the outside crisps.

Step 3: Arrange fries in a single layer

Place fries in the basket in one even layer without overlapping. Overcrowding traps steam between fries and prevents crisping. If the quantity is large, cook in two batches rather than stacking.

Step 4: Set temperature and time

For regular straight-cut or crinkle-cut fries, the temperature should be 200°C, and the timer should be set for 15–18 minutes. Adjust for thickness: shoestring fries need less time at lower heat, and steak fries need more time.

Step 5: Shake the basket at the halfway mark

When it is about 8–9 minutes, remove the basket and shake it well. This turns the fries so that the side that was in contact with the basket is in front of the hot air. This creates an even golden colour on all sides, instead of one side being pale and the other being brown.

Step 6: Check for crispness and extend if needed

At the end of the set time, check the fries. For more colour, add 2 to 3 minutes. Different basket sizes, wattages, and fry brands vary slightly. The first batch is typically for calibration of the model and brand you are using.

Step 7: Season and serve immediately

Add salt, chaat masala or any seasoning when fries are cooked and season immediately. Seasoning sticks to the surface when the fry is hot and slightly moist. Once fries cool, seasoning slides off. Serve straight from the basket for maximum crispness.

How to Make Fresh-Cut French Fries in an Air Fryer

Fresh-cut fries need two extra steps compared to frozen: a cold water soak and a thorough drying. Skip both, and the fries steam in the basket rather than crisp.

Potato variety matters. Russet potatoes are high in starch, low in moisture, and produce a fluffy inside with a crispy shell. Any dry, starchy local potato also works well. Waxy varieties with thin red or white skin do not crisp the same way and are best avoided for fries.

1. Cutting and soaking

Peel the potatoes and cut into uniform strips, roughly 0.5 to 1 cm thick. Uniform thickness produces even cooking. After cutting, place the strips in a bowl of cold water and soak for 30 minutes. This step removes surface starch, which is what causes fries to stick together and steam rather than crisp. Drain the bowl and pat every strip completely dry with a kitchen towel before the next step.

2. Seasoning

Toss the dried potato strips in a bowl with 1 tsp of neutral oil (sunflower or refined groundnut) per 300g of potato, along with your choice of seasoning. A basic mix is salt, black pepper, and garlic powder. For an Indian flavour, swap in chaat masala or red chilli powder. Coat every strip. Then sprinkle 1 tsp of cornstarch per 300g of potato over the seasoned strips and toss again.

3. Air frying

Preheat the air fryer to 190°C for 3 minutes. Arrange seasoned strips in a single layer in the basket. Cook for 18 to 22 minutes, shaking every 5 to 7 minutes for even browning. In the final 3 minutes, raise the temperature to 200°C for a final crisping burst.

4. Crisping tips

Two issues cause soft fresh-cut fries every time: insufficient drying before cooking and an overcrowded basket. The cornstarch step is the most effective single upgrade for crispness. The cornstarch replaces the surface starch washed away during soaking and forms a sealed, crispy shell around the fry as it cooks. One teaspoon per 300g is enough.

Air Fryer Settings for Different Types of Fries

Different fry cuts need different heat and time. Thinner cuts cook fast and can burn at high temperatures before the centre cooks through. Thicker cuts need more time at the same heat.

Fry Type	Temperature	Total Time	Shake At	Notes
Straight-cut (standard)	200°C	15–18 min	9 min	Most versatile cut
Crinkle-cut	200°C	16–18 min	9 min	Extra surface area for crunch
Waffle fries	195°C	14–16 min	8 min	Shake gently to avoid breakage
Shoestring fries	190°C	10–12 min	6 min	Watch closely at the end
Steak fries	200°C	22–25 min	12 min	Light oil spray recommended

Note: All timings assume a preheated air fryer and that the fries are in a single layer. Cooking in a crowded basket adds 4 to 5 minutes and reduces crispness significantly.

5 Expert Tips for Restaurant-Style Crispy Fries

Tip 1: Never fill the basket more than halfway

A half-full basket gives hot air enough room to circulate around each fry. A full basket creates a steam pocket in the centre that softens fries. Avoid overcrowding to avoid soggy air fryer fries.

Tip 2: Use a light oil spray, not a pour

A quick spray from an oil spritzer gives the outer layer an immediate surface to crisp against. Pouring oil into the basket produces greasy, soft results and adds unnecessary calories. For frozen fries, a spray is optional. For fresh cuts, it is necessary for even browning.

Tip 3: Shake the basket at the halfway point, every time

Fries resting directly on the basket surface cook faster on that contact side. A shake at the midpoint rotates the fries and produces even colour all around.

Tip 4: Preheat for 3 minutes before adding food

A cold air fryer cooks fries slowly from room temperature for the first few minutes, producing a soft texture rather than crispy. Three minutes of preheating removes this problem entirely.

Tip 5: Toss fresh-cut fries in cornstarch before the oil step

One teaspoon of cornstarch per 300g of fresh-cut potato creates a thin, starchy shell on each strip. In the heat of the air fryer, this layer sets into a firm, crunchy crust.

Choosing the Right Air Fryer for Your Fries

Basket size is the first factor for fries. A basket that is too small forces multiple small batches, and fries from the first batch go cold before the last batch finishes. The second factor is basket material. A model with a PTFE-coated non-stick basket requires more careful handling at high temperatures. A glass or uncoated stainless steel surface has no such restriction.

For singles and couples

The Kilig Nexa Core 4L handles one standard portion of fries per batch. Its borosilicate glass basket contains zero PTFE, PFAS, or PFOA coatings, and the 1800W dual heating system (top and bottom) crisps fries evenly without hot spots on either side of the basket.

For families of 4 to 6

The Kilig Nexa Edge 12L cooks 600 to 800g of fries in one go. The galvanised steel inner chamber has no coating of any kind. The rotating basket accessory turns fries automatically, so no manual shaking is needed during cooking.

For households who cook thick-cut steak fries regularly

The Kilig Nexa SteamX 10.5L includes a steam + air fry mode, which is useful for thick cuts that need to cook through before the outside crisps.

For households that want to cook two dishes at the same time

The Kilig Iris Plus has a unique dual-bowl design with two separate toxin-free glass containers, a 4 L and a 1.5 L, so you can air fry fries in the larger bowl and cook a second dish in the smaller one simultaneously. It has 1500W, 5 cooking modes (Airfry, Bake, MaxCrisp, ReCrisp, Keep Warm), and does not require an app or WiFi. Comes with two lids, a silicone mat, and trays.

Frequently Asked Questions

What is the best air fryer for making french fries at home?

Basket size matters most. A 4-litre model handles 2 to 3 portions at a time. A 10 to 12-litre model covers a full family batch in one go. For genuinely crispy fries at high heat, basket material is the second factor. PTFE-coated non-stick baskets can degrade at high temperatures once the surface is scratched. A model with a borosilicate glass basket, like the Kilig Nexa Core 4L, or an uncoated galvanised steel interior, like the Kilig Nexa Edge 12L, has no coating to worry about at 200°C frying temperatures.

Why are my air fryer fries not crispy?

Four factors account for almost every soft-fry outcome. The basket was overcrowded. The fries (fresh-cut) were not fully dry before cooking. The temperature was set too low. The fries were not shaken at the halfway mark. Fix all four, and the result changes significantly. For fresh-cut fries, the most important single fix is patting the strips completely dry after the cold water soak. Any surface moisture turns to steam in the basket and softens the exterior rather than crisping it.

Do I need to add oil to frozen french fries in an air fryer?

Technically, no. Most frozen fries are already pre-coated in oil from manufacturing and will crisp without any addition. A light spray applied just before cooking produces better colour and a crisper shell. Most frozen fries carry sufficient oil and do not need extra. If you want maximum crispness, a 2-second spray from an oil spritzer is sufficient. Pouring oil in is too much.

Can I cook frozen and fresh-cut fries together in the air fryer?

No. Frozen fries and fresh-cut fries need different cooking times and temperatures. Fresh-cut fries need 18 to 22 minutes at 190°C after being soaked and dried. Frozen fries need 15 to 18 minutes at 200°C straight from the freezer. Combining the two means one type will be overcooked by the time the other is ready. Cook each type in separate batches for consistent results.

How long do french fries take to cook in an air fryer?

Cook time depends on cut type and whether the fries are frozen or fresh:

• Frozen straight-cut fries: 15 to 18 min at 200°C
• Frozen shoestring fries: 10 to 12 min at 190°C
• Frozen steak fries: 20 to 22 min at 200°C
• Fresh-cut fries (after soaking and drying): 18 to 22 min at 190°C

All times assume a preheated air fryer and fries in a single layer.