How to Reheat Roast Potatoes in the Air Fryer
Crispy leftovers in minutes - no soggy microwave.
Published by the RecipeAirFryer editorial team · How we source times · Updated
Times and temperatures come from our reviewed cooking database. Explanatory text on each page is generated from that entry so the numbers stay consistent.
Reheating roast potatoes is a different job from cooking it raw: you want the middle steaming without drying the outside. Start at 180°C / 350°F for 4-6 min. Great for leftover Sunday roast potatoes. Only reheat leftovers that were chilled within 2 hours, and only reheat once.
How to reheat roast potatoes
- 1If the air fryer is cold, a brief preheat to 180°C / 350°F helps roast potatoes crisp instead of sitting in a warming basket.
- 2Spread leftover roast potatoes in a single layer. Stacked leftovers stay cold in the middle.
- 3Reheat at 180°C / 350°F for 4-6 min, checking toward the end. Great for leftover Sunday roast potatoes.
- 4Stop when roast potatoes is steaming hot throughout. Serve at once; sitting in the basket dries it.
Tips for the best results
- Great for leftover Sunday roast potatoes.
- Use a lower temperature than the original cook so the outside does not catch while the centre warms.
- Chill leftovers promptly. The air fryer cannot make unsafe leftovers safe.
Common mistakes to avoid
- Reheating roast potatoes at the original high cook temperature until it dries out.
- Piling leftovers so only the top gets hot.
- Reheating the same batch more than once.
Frequently Asked Questions
What temperature to reheat roast potatoes in an air fryer?
Start at 180°C / 350°F for 4-6 min. That is lower and shorter than cooking from raw, because leftover roast potatoes is already cooked.
Is the air fryer better than a microwave for leftover roast potatoes?
For anything that should be crisp, yes - the fan restores texture a microwave cannot. For saucy leftovers a microwave can still be kinder.
Is it safe to reheat roast potatoes?
Yes if it was cooled quickly, kept refrigerated, and is heated until steaming hot throughout. Do not reheat more than once.