Air Fryer Roast Potatoes

Crisp roast potatoes are one of the most recognisable British side dishes: fluffy in the middle, deeply golden on the outside and best served straight from the heat. This air fryer version keeps the classic method of parboiling and roughing up the potatoes so their edges catch and crisp, then uses rosemary, garlic, sea salt and black pepper for a familiar savoury finish. Yukon Gold potatoes give a creamy centre, while cooking at 200°C (390°F) helps the surfaces brown without needing a full oven. They work well alongside roasts, grilled mains or simple weeknight suppers, and are easy to adapt with thyme or olive oil.
Cuisine style British roast dinner side
Cooking style Minimal cleanup
Time commitment Under 1 hour

Why this recipe works

  • Crisp, craggy edges: Parboiling softens the outside of the potatoes, while shaking them in the pan creates rough edges that crisp well in the air fryer.
  • Classic savoury flavour: Rosemary, garlic, sea salt and black pepper give the potatoes a familiar roast-style seasoning without needing a long oven cook.
  • Straightforward method: The recipe uses simple stages: boil, dry, season and air fry, making the crisp texture easier to control.

Get the most out of this recipe

Texture tips

  • For extra crisp edges: Let the potatoes steam dry after draining so the surface is not wet before the oil goes on.
  • Avoid steaming in the basket: Keep the potatoes in as close to a single layer as possible, cooking in batches if the air fryer basket is crowded.

Common mistakes

  • Do not skip the parboil: The potatoes should be just softening at the edges before air frying; this helps create a fluffy centre and crisp exterior.
  • Crowding reduces browning: Too many potatoes in the basket trap steam and slow down crisping, especially during the first half of cooking.

Ingredient notes

  • Best potato texture: Yukon Gold potatoes give a good balance of creamy centres and crisp edges, but other all-purpose roasting potatoes can also work.
  • Fresh herbs work best: Fresh rosemary brings a brighter, more aromatic flavour than dried herbs, though thyme can be used for a softer herbal note.

Make-ahead tips

  • Re-crisp before serving: Leftovers can be reheated in the air fryer at 200°C (390°F) until piping hot and crisp again.

Equipment you'll need

Ingredients
Instructions
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  1. Peel the potatoes (or leave the skins on if you prefer) and cut into even chunks. Put them in a large pot, cover with cold water, and add 1 tsp of the fine sea salt. Bring to the boil and cook for 8 to 10 minutes until the edges are just starting to soften but the centres are still firm.
  2. Drain well in a colander, then return the potatoes to the hot pot. Shake the pot for 10 to 15 seconds to rough up the edges, then let the steam evaporate for 2 minutes so the surface dries slightly.
  3. Strip the rosemary leaves from the sprigs and finely chop them. Finely grate or crush the garlic. Tip the potatoes into a mixing bowl and toss with the vegetable oil, rosemary, garlic, remaining 1 tsp fine sea salt, and the black pepper until evenly coated.
  4. Preheat the air fryer to 200°C (390°F) for 3 minutes. Add the potatoes to the basket in a single layer as much as possible, cooking in batches if needed. Air fry for 20 to 25 minutes, shaking the basket every 7 to 8 minutes, until deeply golden and crisp.
  5. Taste and add a pinch more fine sea salt if needed. Serve immediately while hot and crisp.

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Recipe notes

Tips

  • Dry potatoes crisp better: after draining, let them steam off for a couple of minutes before tossing with oil.
  • Do not overcrowd the basket; cook in batches if necessary so the potatoes roast rather than steam.

Substitutions

  • Replace Fresh rosemary with Fresh thyme for a softer, more delicate herbal flavour.
  • Replace Vegetable oil with Olive oil for a fruitier finish.

Storage

  • Refrigerate up to 3 days
  • Cool completely, then refrigerate in an airtight container for up to 3 days. Reheat in the air fryer at 200°C (390°F) for 6 to 10 minutes, shaking once, until piping hot and re-crisped.

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Air Fryer Roast Potatoes
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Recipe overview

  • Servings: 4 servings
  • Total time: 50min (20min active)
  • Difficulty: Easy
  • Cuisine: British
Beginner friendly Kid friendly

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