🍽️ Cooking guide

How Long to Cook Roast Potatoes

Roast potatoes take 45–60 minutes at 200°C fan (220°C conventional). Parboil for 8–10 minutes, drain and rough up the edges, then roast in hot fat, turning once, until deep golden and crisp.

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Roast potato timing

StageTimeTemp
Parboil8–10 minBoiling water
Roast (first side)25–30 min200°C fan
Turn & roast20–30 min200°C fan
Total in oven45–60 min200°C fan
🌡️ Whatever the time, doneness is decided by the internal temperature — check it with a meat thermometer.

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A fast digital meat thermometer is the only way to know your roast is safely and perfectly cooked. Pull it at the exact internal temperature, every time.

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Frequently Asked Questions

200°C fan (220°C conventional). The fat must be hot before the potatoes go in.
Yes — parboiling for 8–10 minutes then roughening the edges is the key to a crisp, fluffy roast potato.

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