# Jerusalem artichokes cooking times

How long to cook Jerusalem artichokes: **35–45 min in the oven at 200°C (180°C fan), 10–15 min boiled and 15–20 min in an air fryer at 200°C**. Every way to cook it is below, with the temperature and how to tell it’s done.

Source: https://feastflow.co.uk/jerusalem-artichokes-cooking-times (FeastFlow free cooking-time guides). Last checked 11 November 2026.

## How long to cook Jerusalem artichokes

Times are for 500 g, for 4.

Jerusalem artichokes: cooking times by method:

| Method | Time | Heat | How |
| --- | --- | --- | --- |
| [Oven](https://feastflow.co.uk/oven-cooking-times) | 35–45 min | 200°C (180°C fan), 400°F, gas 6 | Toss in oil. |
| [Boil](https://feastflow.co.uk/boiling-times) | 10–15 min | simmering in salted water with a squeeze of lemon | For mash or soup. |
| [Air fryer](https://feastflow.co.uk/air-fryer-cooking-times) | 15–20 min | 200°C (400°F) | Toss in a tablespoon of oil. |

## Before you start

Scrub well (peeling is optional) and cut into even chunks.

## How to tell it’s done

Soft inside, crisp and golden outside when roasted.

## Questions

### How long to cook Jerusalem artichokes in the oven?

35–45 min at 200°C (180°C fan), 400°F, gas 6. Toss in oil.

### How long to boil Jerusalem artichokes?

10–15 min simmering in salted water with a squeeze of lemon. For mash or soup.

### How long to cook Jerusalem artichokes in an air fryer?

15–20 min at 200°C (400°F). Toss in a tablespoon of oil.

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Times are a guide for typical home portions: ovens, air fryers, microwaves and sizes vary. Check meat, poultry and fish with a thermometer. Safe temperatures follow USDA and UK Food Standards Agency guidance.

FeastFlow also plans a whole meal backwards from serving time, with every dish timed and oven temperatures that don’t clash: https://feastflow.co.uk/