Most air fryer roast potatoes cook in 15–25 minutes at 375–400°F (190–200°C), depending on cut size, potato type, and your air fryer.
If you have a bowl of peeled potatoes and a hungry table nearby, the real question on your mind is simple: how long do you roast potatoes in the air fryer so they come out crisp outside and fluffy inside? The good news is that air fryers make roast potatoes fast and reliable once you know the ranges for time, temperature, and potato size.
This guide walks through real-world timing for cubes, wedges, baby potatoes, and whole “baked” potatoes, along with tips on parboiling, oil, seasonings, and storage. You will see clear time and temperature ranges, an easy method to copy, and adjustment tips so you can match your own model without guesswork.
By the end, you will know exactly how long to roast potatoes in the air fryer for weeknight dinners, big roast meals, and reheating leftovers that still feel fresh from the tray.
How Long To Roast Potatoes In The Air Fryer: Quick Answer
For most chunked roast potatoes, plan on 18–25 minutes at 375–400°F (190–200°C). Small cubes cook near the lower end of that range, while chunky roasties and baby potatoes sit closer to the top. Whole “baked” potatoes need far longer, around 40–50 minutes at 400°F (200°C). :contentReference[oaicite:0]{index=0}
Air fryers vary in power and air flow, so use these ranges as a starting point and adjust in 2–3 minute steps. Shake or turn the potatoes halfway through so every side has contact with hot air and the basket.
| Potato Style | Temp (°F / °C) | Typical Air Fry Time* |
|---|---|---|
| Small cubes (½ inch / 1–1.5 cm) | 375–390°F / 190–200°C | 15–20 minutes |
| Medium cubes (¾–1 inch / 2–2.5 cm) | 380–400°F / 195–200°C | 18–25 minutes |
| Chunky roasties, parboiled | 390–400°F / 200°C | 15–22 minutes |
| Chunky roasties, raw | 375–390°F / 190–200°C | 25–35 minutes |
| Baby potatoes, halved | 380–400°F / 195–200°C | 20–28 minutes |
| Whole “baked” potatoes (medium) | 400°F / 200°C | 40–50 minutes |
| Frozen roast potatoes | 390–400°F / 200°C | 15–22 minutes |
| Leftover roast potatoes (reheat) | 350–375°F / 175–190°C | 5–8 minutes |
*Times assume a single, even layer in the basket and a brief shake halfway through. If the basket is crowded, add a few minutes and stir more often.
Best Temperature For Air Fryer Roast Potatoes
For classic roast potatoes with a fluffy center and crisp edges, most home cooks land somewhere between 375°F and 400°F (190–200°C). That band gives enough heat to brown and crisp while still cooking the middle through before the edges dry out. Recipes from trusted sources often stick close to 400°F (200°C) for cubes and roasties. :contentReference[oaicite:1]{index=1}
If your air fryer runs hot, you may see dark spots before the inside softens. In that case, drop to 360–370°F (180–190°C) and cook a little longer. If you tend to get pale potatoes even after the full time, raise the temperature to 400°F (200°C) for the last 3–5 minutes to boost browning.
Preheating helps too. Many air fryer roast potato recipes ask for a few minutes of preheat so the potatoes hit hot air right away. That quick blast helps the outside dry and start to crisp while the inside begins to steam. If your model does not have a preheat setting, just run it empty at cooking temperature for 3–5 minutes before adding potatoes.
Step-By-Step Method For Crispy Air Fryer Roast Potatoes
Timing is only half of the story. Texture depends on how you cut, soak, parboil, and oil the potatoes before they ever touch the basket. Here is a simple method you can adapt to your own size and seasoning.
How Long Do You Roast Potatoes In The Air Fryer For Cubes And Wedges
For most family dinners, cubes and wedges are the go-to shape. They cook faster than whole potatoes and give plenty of crunchy surface area.
Prep The Potatoes
Peel if you like, or scrub well and leave the skin on. Cut into even pieces so they cook at the same pace. Aim for ½–1 inch (1–2.5 cm) wide. Rinse the cut pieces under cold water to wash off loose starch, then pat dry with a clean towel. Damp potatoes steam rather than crisp.
Optional Parboil For Extra Fluff
For thick roasties or floury varieties, a short parboil helps. Simmer the cut potatoes in salted water for 5–7 minutes, just until the edges start to soften. Drain well and let the steam escape. Shake the pan gently to rough up the outside. Those rough edges turn into crisp ridges in the air fryer, a trick you will see in many classic roast potato recipes.
Oil, Season, And Roast
Toss the dried or parboiled potatoes with 1–2 tablespoons of neutral oil per pound (450 g). Add salt and any dry herbs or spices now. Spread in a single layer in the basket, with a little space around each piece.
Roast at 380–400°F (195–200°C) for 10 minutes, then shake the basket or turn the pieces. Roast for another 8–15 minutes, checking every few minutes near the end. When the centers feel tender when poked with a knife and the sides are golden and crisp, you are done. At this point, you have a clear sense of how long do you roast potatoes in the air fryer for your own cut size and model.
Timing For Baby Potatoes And Whole Potatoes
Baby Potatoes
Baby potatoes behave a bit like cubes, but the skins give extra bite. Halve them (or quarter larger ones) so the cut sides can dry and brown. Toss with oil and salt, then cook at 380–400°F (195–200°C) for about 20–28 minutes, shaking the basket twice. The cut sides should look deep golden and the fork should slide in easily.
Whole “Baked” Potatoes
Medium whole potatoes, such as russets, behave more like oven baked potatoes. Poke them with a fork, rub lightly with oil and salt, and place straight on the rack or in the basket. Recipes that test this method at home usually run at 400°F (200°C) for around 40–50 minutes, depending on size. :contentReference[oaicite:2]{index=2}
Check after 35 minutes by squeezing gently with tongs. If they still feel hard in the center, keep roasting in 5-minute steps. The skin should feel crisp and the center soft when pierced.
Seasoning And Oil Tips For Roast Potatoes
Timing gets you cooked potatoes. Seasoning and oil choice give them character. A light coating of oil is enough for browning in an air fryer, so you do not need the deep layer of fat that classic tray roast potatoes use.
Use an oil with a medium or high smoke point, such as canola, sunflower, or light olive oil. Extra-virgin olive oil works in small amounts, but some brands smoke at higher temperatures. Toss the potatoes so every piece has a thin sheen; any dry patches will stay pale.
For basic roast potatoes, salt, pepper, and garlic powder are hard to beat. Dry rosemary, thyme, smoked paprika, onion powder, paprika, curry powder, or chili flakes all fit well. Fresh garlic can burn if added too early, so add it for the last 5–8 minutes only. Soft herbs like parsley or chives are best tossed through right before serving.
If you want extra crunch, sprinkle a teaspoon of cornflour or semolina over the oiled potatoes and toss again before cooking. The fine coating dries into a crisp shell that holds seasoning on the surface as the air fryer blows hot air around the basket. A habit like this can turn a basic side dish into something people request again and again.
Table Of Common Problems And Fixes For Air Fryer Roast Potatoes
Even with clear time ranges, roast potatoes do not always behave. This table gives quick fixes tied to texture and color so you can tweak time and temperature on the fly without guessing.
| Problem | Likely Cause | Time / Temp Fix |
|---|---|---|
| Pale and soft outside | Temp too low, basket crowded | Raise to 400°F / 200°C for 5–8 minutes |
| Brown outside, hard inside | Pieces too large, temp too high | Drop to 360–370°F and add 5–10 minutes |
| Edges burnt, centers dry | Too long at high heat | Shorten time by 3–5 minutes next batch |
| Soggy or greasy texture | Too much oil, no preheat | Use less oil, preheat for 3–5 minutes |
| Uneven browning | No shaking, uneven cuts | Shake every 5–7 minutes, cut evenly |
| Skin separates from potato | Over-parboiling or over-shaking | Shorten parboil time by a few minutes |
| Spices burning | Delicate spices added too early | Add ground spices in last 5–8 minutes |
How Long To Roast Potatoes In The Air Fryer For Different Factors
Two people can set the same temperature and still end up with different roast potatoes. That is why time ranges matter more than a single minute mark. The sweet spot for how long do you roast potatoes in the air fryer depends on four main things: potato variety, cut size, starting temperature, and your specific air fryer model.
Potato Type And Starch Level
Floury potatoes such as russet or Maris Piper tend to give the fluffiest interior. Waxy or all-purpose potatoes hold their shape better but can stay a bit firmer. Many healthy eating guides treat potatoes as a starchy vegetable, so portion size still matters, yet they remain a useful base for balanced meals. :contentReference[oaicite:3]{index=3}
Because floury potatoes soften faster, they often need the shorter end of the time ranges in the first table. Waxy potatoes can sit closer to the longer end without falling apart.
Basket Load And Air Circulation
A single, loose layer cooks faster and more evenly than a packed basket. If your air fryer is small and the basket is full, add 3–6 minutes and stir more often. If the top browns while lower layers stay pale, pause the timer, stir well, and flatten the layer before you carry on.
Model Differences And Recipe Sources
Some air fryers blow stronger air, some sit closer to a mini oven. When you try a recipe, use the low end of the suggested time first and add minutes as needed. Guides such as the
BBC Good Food air fryer roast potatoes recipe show how longer cooking at a lower heat can still work well if you prefer a softer center. :contentReference[oaicite:4]{index=4}
After a few runs, you will know your own pattern: maybe your machine always needs two extra minutes or browns faster at the back. Adjust future batches using that mental note instead of starting from scratch every time.
Food Safety, Storage, And Reheating
Once the potatoes come out of the air fryer, treat them like any other cooked food. Hot roast potatoes should not sit at room temperature for long stretches. Food safety agencies describe a “danger zone” roughly between 40°F and 140°F (4–60°C) where bacteria can grow quickly if food is left out for more than about two hours. :contentReference[oaicite:5]{index=5}
Cool leftover potatoes quickly in a thin layer, then store in a sealed container in the fridge. Eat within 3–4 days. To reheat in the air fryer, spread them in a single layer and cook at 350–375°F (175–190°C) for 5–8 minutes, shaking halfway. The edges will crisp again while the centers warm through.
For freezer meals, freeze cooked potatoes on a tray first, then move them to a bag once firm. Reheat straight from frozen at 375–390°F (190–200°C), adding a few minutes to the time and shaking often. This gives you near-fresh roast potatoes on busy nights with only a short wait.
With these time ranges, temperature guides, and small adjustments for your own model, you now have a clear answer to how long do you roast potatoes in the air fryer and how to repeat that result whenever roast potatoes are on the menu.