Roast Leg of Lamb

How to Make Roast Leg of Lamb

Roast leg of lamb is the perfect dish to serve for any special occasion or festive gathering. This slow-cooked dish is guaranteed to elevate your Sunday roast tradition to a whole new level. Although the cooking time may require some patience, the end result is well worth the wait.

With minimal effort and a few basic ingredients, you can create a succulent, tender, and flavourful dish that will be the star of the show. Whether it’s for a family dinner or a grand holiday celebration, this lamb roast is an easy and impressive dish that will surely impress your guests.

So, make sure to add this mouth-watering dish to your menu and enjoy the praises and compliments that come with it!

Watch Roast Leg of Lamb Video recipe:


roast leg of lamb

Nonna’s Top Tip To Make Roast Leg of Lamb

Never leave it for too long

The amount of time the leg of lamb will take to be seared depends on how big it is, so judge this and don’t leave it for too long.

Use a meat thermometer to test doneness.

Cooks have strong opinions about how well-done their lamb should be. Some prefer it very rare; others want it well-done throughout.

roast leg of lamb

Roast Leg of Lamb

Vincenzo's Plate
Cook Time 3 hours
Course Main Course
Cuisine Italian
Servings 6


  • Large pot with lid suitable for the stove top and oven
  • Tongs
  • Sharp knife
  • Chopping-board
  • Large Spoon


  • Leg of lamb approx. 1.2-1.4kg/42.3oz
  • Fresh rosemary stalks
  • 6-8 Garlic cloves
  • 4 Carrots peeled
  • 3-4 Celery stalks
  • 1 whole Onion
  • Extra virgin olive oil EVOO
  • Glass of red wine
  • 1 Large cup of chicken stock
  • Salt & Pepper
  • Basil leaves
  • Sage leaves


  • Roast leg of lamb starts with good quality lamb! Make sure you go to your nearest quality butcher and request his best so that you know you are cooking with the best possible ingredients.
  • Pre-heat your oven to 220 degrees celsius/428F.
  • Place the roast leg of lamb on the chopping board and sprinkle a generous amount of salt and ground pepper on top.
  • Then, turn over the lamb and sprinkle salt and pepper on the other side too.
  • Next, using a sharp knife, make 3 slits into the lamb, as evenly apart as possible.
  • Stuff each of these slits of the leg of lamb with a garlic clove, and some rosemary and basil, pushing it right down using your fingers. Be sure to do this on both sides.
  • Now, get a large, deep pot and put it on the stove at a medium heat. Drizzle a generous amount of extra virgin olive oil into the pot and let it warm for a minute or so.
  • Place the large leg of lamb roast into the pot and sear each side until it becomes lightly golden for approx. 3 minutes each side. Be sure to add the lid to the pot while it simmers.
  • While the lamb is searing, roughly chop up the vegetables into chunky pieces and add them into the pot. This should include carrots, celery and the onion.
  • Next, add rosemary and sage along with any leftover cloves of garlic.
  • Before putting the leg of lamb into the oven, add one large cup of chicken stock (dissolve one cube in warm water, or you can use a liquid stock)
  • Sprinkle one last amount of salt and pepper all over the roast leg of lamb and vegetables, then put the lid on and place it in the oven at 220 degrees celcius/428F.
  • After 1.5hr, carefully take the pot with the leg of lamb roast out of the oven and turn it over, so you evenly cook both sides. It is a good idea at this point to cover the lamb with the juices from the pot, keeping it beautiful and moist.
  • Cooking time will vary dependent not only the size of the leg of lamb but also how you enjoy eating your red meat.
  • This recipe allows the lamb to cook slowly for 3hr, so it cooks right through.
  • E ora si mangia, Vincenzo’s Plate….Enjoy!


Keyword classic italian lamb roast, Homemade Italian Food, Italian Roast Lamb, italian sunday roast, slow cooked, Slow cooked lamb, tender and flavorful lamb recipe
Tried this recipe?Let us know how it was!

How to serve Lamb Roast

Leave the Roast leg of lamb to rest for at least 10 minutes before serving. Then take a large carving knife and slice thin pieces, placing them on to a flat plate. Add some tender vegetables on top before using a large spoon to drizzle extra juice on top.

Enjoy this dish while it’s still hot and savour the flavors. You can also reheat any leftovers the next day and make a delicious panino with cheese, vegetables, and extra lamb juices.

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