Potatoes cook well in an air fryer three ways: whole and baked, cut into wedges, or roasted in chunks — and each needs a different temperature and time. A whole baked potato takes the longest at around 40 minutes; wedges and roasted chunks crisp faster, in 18 to 25 minutes, because more surface area is exposed to the hot air.
Whole baked potatoes
- Pierce the potato several times with a fork so steam can escape while it cooks.
- Rub the skin lightly with oil and salt if you want a crisper, seasoned skin. This step is optional but improves texture.
- Cook at 400°F for 35 to 45 minutes, depending on size. A medium russet potato usually takes about 40 minutes.
- Check for doneness by squeezing gently or piercing with a fork — it should give with little resistance all the way through.
- Rest for a few minutes before cutting open; the inside keeps cooking slightly from residual heat.
Potato wedges
- Cut potatoes into even wedges, roughly 8 per potato, so they cook at the same rate.
- Soak in cold water for 15 to 30 minutes if you have time — this pulls out surface starch and helps the wedges crisp instead of turning gummy. Pat completely dry afterward.
- Toss with oil and seasoning, then arrange in a single layer with space between pieces.
- Cook at 400°F for 20 to 25 minutes, shaking or flipping halfway through.
- Check the largest wedge for doneness — it should be tender inside with a browned, crisp exterior.
Roasted potato chunks
- Cut potatoes into roughly 1-inch chunks for even cooking.
- Toss with oil, salt and any herbs you’re using.
- Cook at 400°F for 18 to 22 minutes, shaking the basket two or three times so every side gets contact with the hot air.
- Test with a fork — chunks are done when they pierce easily and the outside has browned.
Getting crispier potatoes
- Dry them well after cutting or soaking. Surface moisture is the main reason potatoes turn out soft instead of crisp — the same principle covered in our air fryer wings recipe.
- Don’t overcrowd the basket. Potatoes need space for air to reach every side; cook in batches for larger amounts.
- Cut pieces evenly. Uneven sizes mean some pieces finish before others.
- Shake more than once for cut potatoes — two or three shakes spreads browning more evenly than a single flip.
Frequently asked questions
Do you need to soak potatoes before air frying? It’s optional but helps. Soaking pulls out surface starch, which reduces gumminess and improves crisping, especially for wedges and fries.
Why are my air fryer potatoes soft instead of crispy? Usually too much moisture on the surface, an overcrowded basket, or pieces cut too large for the time given. Dry them well, cook in a single layer, and cut pieces to a consistent size.
Do you need oil for air fryer potatoes? A light coat helps browning and crisping, but potatoes will still cook without it — the texture just won’t be as crisp.
How long do air fryer roast potatoes take compared to an oven? Air fryer potatoes typically cook in about half the time of a conventional oven at the same temperature, because the air is more concentrated around the food.
Looking for other food timings? See our air fryer cooking times chart or our fries timing guide for thin-cut and frozen fries specifically. Still choosing a model? Start with our best air fryer picks.