Raw radishes are sharp and peppery — but roast them and that bite mellows into something soft and savoury, surprisingly like a roast potato, for almost no carbs. A favourite low-carb trick. Here's how.
Key takeaways
Q: How long do radishes take in an air fryer?
A: Air fry halved radishes at 200°C (400°F) for 15–18 minutes, shaking, until tender and golden.
Q: Do roasted radishes taste like potato?
A: Yes — roasting mellows the pepperiness into a soft, potato-like bite.
Times & temperatures
| Cut | Temp | Time |
|---|---|---|
| Halved | 200°C / 400°F | 15–18 min |
| Quartered (large) | 200°C / 400°F | 16–20 min |
The recipe
Air Fryer Roasted Radishes
Ingredients
- 300g radishes, halved
- 1 tbsp oil or butter
- Garlic, herbs
- Salt & pepper
Method
- Toss the radishes with oil and seasoning.
- Single layer; air fry at 200°C for 15–18 min.
- Shake a couple of times.
- Serve tender and golden.
Tips
- Halve them so they roast through.
- Garlic butter makes them taste even more like roasties.
- Very low-carb — a clever potato swap.
Frequently asked questions
How long do radishes take in an air fryer?
Halved radishes take 15–18 minutes at 200°C, shaking, until tender and golden. Large quartered ones take 16–20 minutes.
Do roasted radishes taste like potato?
Surprisingly, yes — roasting mellows their peppery bite into a soft, savoury, potato-like texture, which is why they're a popular low-carb swap.
Are radishes low in carbs?
Yes — radishes are very low in carbohydrate, which makes roasted radishes a clever low-carb alternative to roast potatoes.