Roast potatoes are arguably better reheated in the air fryer than fresh — the second blast of dry heat makes them extra crisp. Perfect for Sunday-dinner leftovers. Here's how.
Key takeaways
Q: How do you reheat roast potatoes in an air fryer?
A: Reheat roast potatoes at 180°C (360°F) for 4–6 minutes, shaking once, until hot and crisp.
Q: Can you reheat them from cold?
A: Yes — straight from the fridge. A tiny spritz of oil revives any that have dried out.
The method
- Single layer from the fridge.
- Reheat at 180°C for 4–6 minutes.
- Shake once for even crisping.
- Add a little oil only if they look dry.
Tips
- Don't crowd them — space crisps, piles steam.
- Great for Boxing Day and Sunday leftovers.
- Making them fresh? See air fryer roast potatoes and the roast dinner guide.
Frequently asked questions
How long to reheat roast potatoes in an air fryer?
About 4–6 minutes at 180°C, shaking once. They often come out even crisper than they were fresh.
Can you reheat roast potatoes from frozen?
Yes — allow a few extra minutes, around 8–10 at 180°C, until hot all the way through.
Do roast potatoes go crispy when reheated?
In the air fryer, yes — the dry heat re-crisps the outside far better than a microwave or oven.