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Air Fryer Roast Lamb

Incredibly juicy tender lamb roast is ready in minutes with this recipe for air fryer roast lamb. Simply season with fresh rosemary and thyme, and air fry to tender, pink perfection for the easiest most succulent lamb roast ever!

Sliced air fryer roast lamb on a wooden board.

My secret to fuss-free roast lamb (air fry it!)

I’ve been cooking this lamb roast recipe in my air fryer for years now, and it’s a dish I find myself coming back to time and time again. Why? Because it’s just so incredibly easy to prepare, and quick to cook too!

With a simple rub of herbs and oil, the lamb is ready to go into the air fryer, where it cooks to perfection in a fraction of the time it would take in a traditional oven.

Simple ingredients

Lamb roast

I used a boneless leg of lamb to make this recipe. However, you can use any other small lamb joint like lamb rump roast, or lamb loin roast.

Seasoning

This recipe uses fresh rosemary and thyme, along with a little salt and pepper. You can substitute dried herbs if needed.

If you prefer you can use any other herbs or spices you like with lamb. Try adding a little garlic powder for extra flavor, or use a pre-made seasoning mix like Moroccan or Greek spices.

Oil

I use light olive oil for this recipe, but you can use any cooking oil that you would usually use in your air fryer. Vegetable oil or avocado oil are good choices.

Tip

Choose a cooking oil with a high smoke point to reduce the chance of your air fryer smoking.

Let’s cook this roast lamb in the air fryer!

1

Preheat.

Preheat the air fryer to 180°C/ 360°F. If your air fryer doesn’t have a preheat mode, just set it to air fry for 3-4 minutes.

2

Prepare lamb roast.

Pat the lamb roast dry with paper towels, drizzle oil over the lamb, add salt, pepper, and herbs, and rub into the lamb.

Note: If you are using fresh rosemary, pick the leaves off and chop them up quite finely before using them.

Seasoned lamb roast on a white plate.
Tip

For an easy way to season your lamb, mix the herbs, salt, and pepper together with the oil on a plate and roll the lamb in it.

3

Air fry lamb roast.

Place the lamb roast in the air fryer basket. Add some extra sprigs of rosemary if you like.

Prepared lamb roast in air fryer basket.

Cook the lamb in the air fryer at 180°C/ 360°F for 20 minutes or until done to your liking. See the section below on how long to air fry lamb for more details on cooking times.

Air fried roast lamb in air fryer basket.

4

Rest.

When the lamb is cooked to your liking, remove it from the air fryer, cover with foil, and leave to rest for 10 minutes to allow the juices to reabsorb.

How long to roast lamb in the air fryer

Cooking times will vary according to the size of the lamb joint you are cooking and how powerful your air fryer is.

My rule of thumb to estimate cook times is: 10 minutes per 450g/ lb for rare, then add five minutes for each degree of doneness that you like. Use this as a starting point, and monitor the internal temperature of the lamb when it is close to the end of the cooking time until it is cooked to your liking.

Note: the USDA states that roast lamb should be cooked to a minimum of 145°F / 63°C – medium-rare.

Estimated roast lamb air fryer cooking times

SizeMedium-rareMediumWell done
Internal temp.63°C/ 145°F68°C/ 154°F72°C/ 162°F
900g-1kg/
2-2.4lb
25 mins30 mins35 mins
1.1-1.2kg/
2.5-2.7lb
30 mins35 mins40 mins
1.3-1.5kg/
2.8-3.3lb
35 mins40 mins45 mins
1.5-1.8kg/
3.4-4lb
40 mins45 mins50 mins
Tip

Remember that the temperature of the meat will continue to rise a few degrees while it rests.

These cook times were tested with my Philips XXL Airfryer. If you have another powerful brand of air fryer like the Nuwave or a Ninja Foodi then expect times to be similar.

Sliced air fryer lamb roast on a white plate.

Serving ideas to make it a meal

It’s hard to beat a traditional roast lamb dinner with crispy roasted potatoes, fresh vegetables like carrots and peas, and rich brown gravy spooned over the top. But roasted lamb is also delicious served with salad, or in wraps or pita bread drizzled with garlic yogurt (or try tzatziki for a Greek-inspired flavor).

For a simple dressing, you can make an easy homemade mint sauce by mixing finely chopped fresh mint leaves with a sprinkle of sugar and a splash of vinegar (adjusting both to taste). It looks a little rustic, but tastes fantastic!

Also want to air fry a side dish?

If you also want to cook side dishes in the air fryer, you can pre-cook them for part of the cooking time before the lamb, then put them back in the air fryer to finish cooking for 10 minutes while the lamb is resting.

Storing and reheating

Store any leftover lamb roast in an air-tight container in the refrigerator, and use within 3 days.

You can reheat lamb roast in the air fryer: air fry for 3-4 minutes at 180°C/ 360°F until heated through.

Sliced air fryer roast lamb on a wooden board.

Air Fryer Roast Lamb

4.6 from 357 votes
Incredibly juicy tender lamb roast is ready in minutes with this recipe for air fryer roast lamb. Simply season with fresh rosemary and thyme, and air fry to tender, pink perfection for the easiest most succulent lamb roast ever!
Prep Time5 minutes
Cook Time25 minutes
Total Time30 minutes
Serves4

Ingredients

  • 1 kg / 2.2 lb lamb roast (boneless)
  • 1 tablespoon olive oil
  • 1 teaspoon rosemary (fresh or dried)
  • 1 teaspoon thyme (fresh or dried)
  • ½ teaspoon fine sea salt
  • ½ teaspoon black pepper

Directions

  • Preheat air fryer to 360°F/ 180°C.
  • Mix olive oil with rosemary and thyme on a plate.
  • Pat lamb roast dry and place into the herb oil mixture, turning it to ensure it is well coated.
  • Place lamb roast in air fryer basket, and air fry at 360°F/ 180°C for 25-30 minutes.
  • This should give you medium-rare lamb. Check the temperature with a meat thermometer to ensure that it is cooked to your liking [Note 1]. Cook for additional 3-minute intervals if required.
  • Remove the lamb, cover with kitchen foil, and leave to rest for at least five minutes before serving.
  • Carve against the grain to serve.

Notes

  • Medium-rare 63°C/ 145°F
  • Medium 68°C/ 154°F
  • Well-done 72°C/ 162°F

Nutrition

Calories: 388.9kcal  Carbohydrates: 0.3g  Protein: 52.1g  Fat: 18.3g  Saturated Fat: 5.8g  Polyunsaturated Fat: 1.7g  Monounsaturated Fat: 8.5g  Cholesterol: 164.7mg  Sodium: 460.5mg  Potassium: 695.3mg  Fiber: 0.1g  Sugar: 0.003g  Vitamin A: 25.9IU  Vitamin C: 0.8mg  Calcium: 33.6mg  Iron: 4.9mg

Nutrition information is an estimate and provided for informational purposes only.

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Annette C.

Monday 12th of February 2024

This came out really delicious! I'm only cooking roast lamb like this from now on! 😍

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