
Craving crispy, buttery potatoes on keto? This Air Fryer Garlic Butter Radishes recipe is your perfect low-carb solution! Radishes transform in the air fryer, turning golden and tender inside with a satisfying crunch outside—remarkably similar to roasted potatoes but with a fraction of the carbs.
Infused with rich garlic butter and a sprinkle of fresh parsley, these make a delicious side or snack that fits perfectly into your keto lifestyle. The air fryer ensures even cooking and a crisp finish without excess oil, keeping things light yet flavourful.
Simply toss halved radishes with melted butter, minced garlic, and seasonings, then air fry until golden. Finish with a final brush of garlic butter and a sprinkle of parsley for a dish that’s as beautiful as it is tasty. Serve alongside grilled meats, eggs, or enjoy as a moreish snack—no one will guess they’re not potatoes!
At a glance
- Time: 25 minutes
- Difficulty: Easy
- Servings: 4
- Cost: Affordable
Macros (per serving)
- Protein: 1.2 g
- Fat: 7.8 g
- Carbs: 2.9 g
- Energy: 85 kcal
Ingredients
- 400g Radishes (Trimmed and halved)
- 40g Butter (Melted)
- 2 Garlic cloves (Finely minced)
- 1 tbsp Olive oil
- 1 tbsp Fresh parsley (Chopped, plus extra to serve)
- 1/2 tsp Sea salt (Or to taste)
- 1/4 tsp Black pepper (Freshly ground)
Equipment Needed
- Air fryer
- Mixing bowl
- Small saucepan
- Spoon
- Knife
- Chopping board
Steps
- Preheat the air fryer to 200°C for 3 minutes.
- In a mixing bowl, toss halved radishes with olive oil, salt, and pepper until evenly coated.
- Arrange the radishes cut-side down in the air fryer basket in a single layer.
- Air fry for 10 minutes, then shake the basket or turn radishes for even browning.
- While radishes cook, melt butter in a small saucepan over low heat. Add minced garlic and cook for 1 minute until fragrant but not browned.
- After 15 minutes total air frying, check radishes—they should be golden and fork-tender. Air fry 2–3 minutes longer if needed.
- Transfer hot radishes to a bowl. Pour over garlic butter and toss with chopped parsley.
- Serve immediately, garnished with extra parsley if desired.
Allergens & Swaps
Allergens:
Recipe contains: dairy
Potential swaps:
- Butter → Dairy-free butter or ghee — For a dairy-free version, use a plant-based butter alternative or ghee if tolerated.
- Radishes → Turnips — Small turnips can be used for a similar texture if radishes are unavailable.
Serving Ideas

- With grilled steak – the garlicky radishes pair perfectly with juicy beef.
- Alongside roast chicken – a classic, comforting combination.
- Topped with a fried egg – for a hearty keto breakfast or brunch.
Additional Info
Chefs Tips
- Cut larger radishes into quarters for even cooking.
- Don’t overcrowd the air fryer basket—cook in batches if needed for maximum crispiness.
- Add a pinch of smoked paprika or chilli flakes for extra flavour.
Variations
- Add grated parmesan in the last 2 minutes of air frying for a cheesy crust.
- Swap parsley for dill or chives for a fresh herb twist.
- Toss with a squeeze of lemon juice before serving for brightness.
Troubleshooting
- Radishes not crisping? Increase air fryer temp by 10°C and cook 2–3 minutes longer.
- Too soft? Ensure radishes are well dried before tossing with oil.
- Garlic burning? Add garlic to butter off the heat and pour over after air frying.
Storage & Reheating
Store cooled leftovers in an airtight container in the fridge. Reheat in the air fryer for best results.
- Fridge: up to 3 days
- Freezer: up to 0 months
- Reheat: Air fry at 180°C for 3–4 minutes until hot and crisp.
Ingredient Spotlight
Radishes: When cooked, radishes mellow in flavour and mimic the texture of roasted potatoes, making them a keto favourite.
Butter: Adds richness and helps crisp the radishes while infusing them with garlic flavour.
FAQs
Do air-fried radishes really taste like potatoes?
Yes! When cooked, radishes lose their peppery bite and become mild, tender, and surprisingly potato-like in both taste and texture.
Can I make this recipe without an air fryer?
Absolutely. Roast the radishes in a preheated oven at 220°C for 20–25 minutes, turning halfway, until golden and tender.
Are radishes keto-friendly?
Radishes are very low in net carbs, making them an excellent potato substitute for keto diets.
How do I store leftovers?
Cool completely, then refrigerate in an airtight container for up to 3 days. Reheat in the air fryer for best texture.
Can I use other herbs?
Yes, try chives, dill, or thyme for a different flavour twist.
Keto Air Fryer Garlic Butter Radishes – Crispy Potato Alternative

Ingredients
- 400g Radishes (Trimmed and halved)
- 40g Butter (Melted)
- 2 Garlic cloves (Finely minced)
- 1 tbsp Olive oil
- 1 tbsp Fresh parsley (Chopped, plus extra to serve)
- 1/2 tsp Sea salt (Or to taste)
- 1/4 tsp Black pepper (Freshly ground)
Instructions
- Preheat the air fryer to 200°C for 3 minutes.
- In a mixing bowl, toss halved radishes with olive oil, salt, and pepper until evenly coated.
- Arrange the radishes cut-side down in the air fryer basket in a single layer.
- Air fry for 10 minutes, then shake the basket or turn radishes for even browning.
- While radishes cook, melt butter in a small saucepan over low heat. Add minced garlic and cook for 1 minute until fragrant but not browned.
- After 15 minutes total air frying, check radishes—they should be golden and fork-tender. Air fry 2–3 minutes longer if needed.
- Transfer hot radishes to a bowl. Pour over garlic butter and toss with chopped parsley.
- Serve immediately, garnished with extra parsley if desired.
Allergens & Swaps
Allergens: dairy
- Butter → Dairy-free butter or ghee — For a dairy-free version, use a plant-based butter alternative or ghee if tolerated.
- Radishes → Turnips — Small turnips can be used for a similar texture if radishes are unavailable.
Nutrition (per serving)
- Protein: 1.2 g
- Fat: 7.8 g
- Carbs: 2.9 g
- Energy: 85 kcal



