Slow Cooker Roasted Shoulder of Lamb with Garlic & Rosemary and Lamb Gravy

This is another tasty recipe using a cheaper cut of meat. I really like lamb, but it can be quite expensive. The shoulder, however, is very reasonably priced and tasty. I really like slow cooked meat, it’s always wonderfully tender.

Using a slow cooker is a really energy efficient way of slow cooking meat, and means you can be out of the house all day. However, there is a 3lb 5oz/1.5kg maximum on the size of joint you can use in a slow cooker (this does vary depending on the size and model, check your instruction manual to be sure). If you want a crispy finish to your roast just put it in the oven for 20-30 minutes when you remove it from the slow cooker.


I always buy a bigger joint than I actually need so I have plenty of leftovers to make another meal the next day, or to freeze for later.  Shepherd’s pie is a great way of using up leftover lamb. In this recipe I also cook extra carrots, and you should have gravy left too, which will save even more time when preparing the shepherd’s pie. I’ll be posting my shepherd’s pie recipe on Saturday, or you could make a lamb hot pot.

For this recipe I used a 1.4kg joint which served 3 adults, with enough leftover to make a shepherd’s pie for 2 greedy people the next day (it could have easily served 3 adults or a family).

For a minty twist on this recipe see my Slow Cooker Minted Lamb Shoulder & Vegetables post, or for the times for slow roasting lamb in a conventional oven check out my Slow Roasted Shoulder of Lamb with Spiced Smoked Garlic Marinade.


Shoulder of lamb – 3lb/1.36kg

Rosemary – a few sprigs

Garlic – 3-5 large cloves (peeled & halved)

Olive oil – ½ tablespoon

Onion – 1 (peeled & quartered)

Carrots – 3-4 large (peeled, halved & quartered)

Potatoes – 4-5 medium (peeled & halved)

Beef stock – 1pint/500ml

Cornflour – 2 tablespoons

Equipment: Chopping board, knife, slow cooker, frying pan, tongs, ladle, jug


  1. Make several incisions in the lamb, stuffing them with half a clove of garlic and some rosemary, and season. IMG-20120428-00290
  2. Pour the hot stock into the slow cooker (set on high) along with the onion, carrots, potatoes, a sprig of rosemary and a clove of garlic. IMG-20120428-00291
  3. Heat the oil in the frying pan on a high-medium heat. Add the shoulder of lamb and brown well on all sides.
  4. Place the lamb on top of the vegetables and cook on low for 8-10 hours or high for 4-5 hours. IMG-20120428-00295
  5. About 1-2 hours before the end of the cooking time, ladle out most of the juices from the slow cooker into a jug, so the veg is just covered, and leave to cool.
  6. [Optional] At the end of the cooking time take the meat out and place on a wire rack on roasting tray and roast in a preheated oven, 180°C/Fan 160°C/Gas 4, for 20-30 minutes.
  7. Leave the vegetables in the slow cooker on the warm setting until ready to serve.
  8. To make the gravy: take the reserved meat juices and remove any fat from the surface. Pour the rest of the juices into a saucepan, and bring to the boil.
  9. Mix the cornflour with 3 tablespoons of cold water, add it to the gravy and reduce until the desired consistency.
  10. Remove the lamb from the oven, and rest in a warm place for 10 minutes before serving. The meat falls off the bone so this is a great dish to serve at the table.
  11. Any leftover meat juices should be decanted in a jug and refrigerated once cool. This is a lovely stock for other lamb dishes or gravy. Once the fat has solidified remove it and use the stock the next day or freeze for later. Leftover gravy and vegetables will keep too, and are very handy for making a shepherd’s pie with very little preparation time!

68 comments on “Slow Cooker Roasted Shoulder of Lamb with Garlic & Rosemary and Lamb Gravy

  1. Your lamb dish looks and sounds great. Our market never carries the shoulder, just legs and chops.

  2. […] making the Slow Cooker Roasted Shoulder of Lamb I had a decent amount of meat leftover so I decided to make a shepherd’s pie. I hate the […]

  3. That looks amazing. Will have to give that a try.

  4. Corinna,

    Thank you for visiting our blog.

    Your Slow Cooker Roasted Lamb looks Great!

    Thanks again.

    Chris & Janine
    Recipes or Reservations

  5. Nom nom, I’m salivating while reading this. Must ask butcher to order lamb…. Thanks for sharing 🙂

  6. I tried this recipe and wow! This will be a regular in our house. Thanks for posting this.

  7. This looks delicious! And I bet it tastes even better. I’ll definitely try it out!

  8. […] Surprisingly Successful – Probably my Slow Cooker Roasted Shoulder of Lamb with Garlic & Rosemary. I just did it as an example of a low-maintenance roast for when you’re entertaining, but it […]

  9. […] It’s a great way to slow cook lamb shoulder, especially if you have a fairly lean one. My Slow Cooker Roasted Shoulder of Lamb, apart from being one of my most popular posts, is delicious, but I fancied something a bit […]

  10. This looks delicious. My husband and I love lamb and I’m always looking for new ways to cook it. I can’t wait to try it!

  11. This looks terrific. I’ve cooked up all kinds of wild stuff. Never tried lamb, however. I’m looking forward to giving lamb a try, thanks to your tasty looking recipe. Also, thanks for visiting the deerslayer’s wife.

  12. Just made this, I added sweet potato to the veg. Absolutely great!!!

  13. […] also been bowled over by the popularity of my Slow Cooker Roasted Shoulder of Lamb with Garlic & Rosemary recipe, which has had over 6,000 hits so far this year […]

  14. […] Slow Cooker Roasted Shoulder of Lamb with Garlic & Rosemary and Lamb Gravy […]

  15. This sounds great. I’m giving this a go today. Lamb is in the slow cooker as we speak and smells delicious.

  16. Hey found your recipe on my phone while trying to figure out what to do with recently gifted fresh cut pice of lamb shoulder from my brother, gave it a shot and it came out wonderful! thanks so much

  17. This is one of the best recipes For lamb shoulder in a slow cooker I have found so far. Cheers, on it like sonic tonight ready for tomorrow.

  18. was indeed rather splendid, thankyou for the recipe

  19. Iam cooking this recipe tomorrow for Sunday lunch! Looking forward to it already !

  20. Great classic lamb dish will be repeating.

  21. Did you not use salt and pepper while cooking?

  22. […] If you fancy a more traditional recipe for lamb shoulder done in the slow cooker check out my Slow Cooker Roasted Shoulder of Lamb with Garlic, Rosemary and Lamb Gravy. […]

  23. Thank you for the receipe, currently cooking and looking forward to the end result. 🙂

  24. I have read recipe and am now cooking in slow cooker, browned lamb, added garlic cloves, winter veg, lamb seasoning, chicken stock. should be good, thank you for advice

  25. Usually make weeping lamb with the shoulder, but going to try this tomorrow it sounds lovely

  26. Tonight I used a 3.3lb shoulder without bone. I browned it and then placed in the slow cooker on high. 41/2 hours was too much. I like my lamb rare, 150+. It was 170 degrees when I checked it. Oops! I would monitor it more closely, next time. I also shook a generous amount of thyme on it. It was still fabulous, though. I only used the onion. I made roasted rosemary redskin potatoes on the side. Yum!

  27. Thanks for the recipe, going to give it a go. One question: Is this made with the bone left in?

  28. […] your potatoes and/or veggies in the same roasting dish. For a super low-maintenance dinner try my Slow Cooker Roasted Lamb […]

  29. Made this today and the whole family loved it even my 10 year-old son who is really hard to feed. Slow cooker was too small for it all but worked great in my Le Creuset in a low oven. Thanks. Looking forward to trying more of your recipes.

  30. Hi done this recipe with a leg of lamb it’s absolutely delicious thanks👍🏻👍🏻👍🏻👍🏻

  31. Easy to follow, great details. Thanks! We made it for Father’s Day dinner with the kids over. It was so tender! A real crowd pleaser.

  32. Have just cooked and devoured your recipe, with the misses screaming i want that again next sunday. Says it all really. BLOODY DELICIOUS!!! will be making the shepherds pie tomorrow too. Cheers.

  33. Awesome – in the slow cooker. Thinking I will rough up the potatoes and roast with the carrots. Serve with some yummy greens. Can’t wait to taste the gravy. 🙂

  34. […] Source: Slow Cooker Roasted Shoulder of Lamb with Garlic & Rosemary and Lamb Gravy […]

  35. My only problem with lamb shoulder is the amount of fat on it and also through its middle and it takes me ages to cut it out. Do you trim the fat before starting to cook? To what extent?

    • Trim the outer fat if you want but tbh a lot of it renders off during slow cooking and can be skimmed off the cooking juices at the end. Any excess can be removed once served.

      • I cooked it for 3.5 hours on high setting in the slow cooker – with veggies and stock. The fat was largely separable as you suggested it would be. However the meat was stringy and dry and I don’t know whether to blame the meat or my cooking. Any suggestions? I’m a newcomer to the slow cooker.

      • I sounds like your slow cooker is getting to too high a temp. The newer models get hotter quicker. I’d leave it on high for an hour and/or until it starts really bubbling, then turn it to low for a couple of hours.

  36. Excellent and I will try this with my son next weekend. Thank you.

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