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Home ยป Main Courses ยป Slow Cooker Lamb Shoulder

Published: Feb 12, 2020 · Updated: Feb 25, 2020 · By: Dave · 21 Comments

Slow Cooker Lamb Shoulder

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Cooking a large joint of meat can sometimes be a daunting task. However, this slow cooker lamb shoulder recipe is easy to prepare and virtually guaranteed to produce meat which is tender, juicy and full of flavour.

Serve the lamb with fresh vegetables, crispy potatoes and a fruity red wine gravy to make the perfect Sunday roast!

Slow cooker roast lamb and gravy viewed from above

Whenever we plan a Sunday roast, for some reason lamb always seems to be further down the list than beef or chicken. Then we cook it, and we always say “this is amazing, why don’t we eat more lamb?!”.

If you’ve read our slow cooker roast beef recipe, you’ll know that we’re not shy about telling you that we Brits can make a mean roast dinner. In case you hadn’t realised, that applies to beef, pork, chicken…and obviously lamb!

How to slow cook lamb shoulder

Start by preparing a bed of vegetables and rosemary in the bottom of the crockpot. This adds lots of flavour to the meat whilst it’s cooking, and will be used to make the gravy once the meat is cooked.

A bed of vegetables in the slow cooker

The key to beautiful tasting lamb in the slow cooker is to give this amazing cut of meat the love it deserves before any cooking starts.

Use a small sharp knife to poke holes into the meat at regular intervals, and push in a small spring of rosemary and a slice of a garlic clove.

Lamb shoulder with rosemary and garlic

Season the meat well (really well!), and place it into the slow cooker on top of the chopped vegetables.

Add the stock and wine by pouring it down the side of the slow cooker rather than over the top of the meat. This will avoid washing away the seasoning from the top of the lamb.

The meat needs to be sat in the liquid. If it appears to be sitting too high, dig out some of the vegetables and place them around the side of the meat so the lamb sits lower down.

Ideally the stock should be around half way up the shoulder of lamb. Add more wine and stock in a 2/3 stock to 1/3 wine ratio if you need to.

Lamb shoulder studded with garlic and rosemary, in the slow cooker

After the meat is cooked, remove it from the slow cooker and transfer it to your favourite roasting tin.

Blasting it it in the oven for 20 minutes at a high heat will brown the outside of the lamb. The browning is caused by the maillard reaction, and adds loads of extra flavour that you won’t want to miss out on! Whilst your roast potatoes are cooking is the perfect time to do this.

Slow cooked lamb after roasting

We love to serve slow cooked lamb shoulder in the middle of the table, still in one piece, with plenty of vegetables scattered around the roasting tray.

Let people help themselves. Rustic is definitely the way forward with lamb shoulder!

Slow cooked lamb shoulder on a roasting tray with vegetables and gravy

Why cook lamb shoulder in the slow cooker?

  • It tastes amazing. Lamb shoulder is a tough piece of meat due to the use the muscle gets. Cooking it in the slow cooker breaks down the connecting tissues of the meat, leaving you with an amazingly succulent dinner.
  • It’s good value. A 2kg lamb shoulder will cost around ยฃ20 ($25), and will easily serve six people with some left over for sandwiches the following day!
  • It’s forgiving. It’s incredibly difficult to overcook lamb in the slow cooker, meaning it’s a great recipe to leave on all day without having to worry about it.
Roast lamb shoulder on a meat fork

What trimmings should I serve with lamb?

The usual roast dinner trimmings go well with roast lamb. When we cooked this recipe we served rosemary roasted potatoes, parsnips and carrots.

Depending on your taste, you could also consider:

  • Carrot and swede mash
  • Curly kale
  • Cauliflower cheese
  • Broccoli

Whatever you do, don’t forget mint sauce!

Slow Cooker Lamb Shoulder

The perfect way to cook a lamb shoulder is in the slow cooker, beautifully flavoursome and succulent!
Prep: 20 mins
Cook: 5 hrs 30 mins
Servings: 6
Calories: 371kcal
5 from 9 votes
Print Pin Rate

Equipment

  • Slow Cooker (6.5L)
  • Meat Baster

Ingredients

  • 2 kg lamb shoulder
  • 500 ml lamb stock
  • 250 ml red wine
  • 4 tbsp cornflour
  • 4 garlic cloves – sliced lengthways
  • 4 sprigs rosemary
  • 1 tsp blackcurrant jam
  • 1 large onion – chopped
  • 1 tsp salt
  • 1 tsp pepper
  • 1 large carrot – chopped

Instructions

Lamb

  • Add the chopped veg and a sprig of rosemary to the slow cooker. Sprinkle over 3 tbsp of cornflour.
  • Using a small sharp knife, poke holes in the lamb at regular intervals. Press in a small sprig of rosemary and a slice of a garlic clove into each hole. Season the lamb well with salt and pepper.
  • Place the lamb shoulder into the slow cooker, and pour the stock and wine down the sides, taking care not to wash the seasoning off of the top of the lamb. Check that the lamb is sat in the liquid (approximately a half to two-thirds covered), and if not dig out some of the vegetables and place them around the side of the meat so that it sits lower. If required, add more stock and wine using the ratio of two parts stock to one part wine. You do not need to submerge the lamb in liquid.
  • Cook on low for five and a half hours or four on high (see recipe notes regarding cooking times as it can vary depending on your model of slow cooker). Once cooked, remove the lamb, place it a roasting dish, and cook in the oven for 20 minutes at 190ยฐC. Whilst the lamb is cooking in the oven, prepare the gravy.

Gravy

  • Following cooking the lamb there will be a lot of fat sat on top of the gravy in the slow cooker. Use a meat baster to remove it (transfer it to a bowl and bin it once cooled, don't put it down the drain).
  • If you have a sear and stew slow cooker, transfer the pot to the hob, or transfer the contents of the slow cooker to a pan if not. Add a further tbsp of cornflour. Do this by removing a few tbsp of liquid into a mug, stirring in the cornflour to create a slurry, and stirring it back into the gravy.
  • Bring the gravy to a boil, then reduce to a simmer. Add a tsp of blackcurrant jam, then check the thickness, and reduce further, if required.
  • Check the seasoning, then serve by pouring through a colander into a gravy jug, or without a colander if you prefer to keep the vegetables in the gravy.

Notes

How long will it take to cook?

The cooking times stated are for the slow cooker mentioned in the equipment list. Cooking times vary a lot across different models of slow cooker.
Older slow cookers with ceramic pots will heat much slower than newer models with metal pots, and therefore will have a longer cooking time.
To be sure, check regularly after five hours of cooking.

How will I know when the lamb is cooked?

You’ll be able to pull the meat apart easily with a fork (check in a few places), and it’ll be easy to pull out the flat shoulder bone. It’s even quite likely that the bone will start to fall out when you lift it from the slow cooker!
Every piece of meat is slightly different and may require slightly more or less cooking.

I’m running out of time and it’s still not cooked!

We’ve all been there! Remove the lamb and a little liquid from the slow cooker and transfer to a roasting dish. Cover with foil and cook at 160C until the meat is tender.

Nutrition

Calories: 371kcal | Carbohydrates: 13g | Protein: 44g | Fat: 11g | Saturated Fat: 4g | Cholesterol: 134mg | Sodium: 660mg | Potassium: 723mg | Fiber: 1g | Sugar: 2g | Vitamin A: 1698IU | Vitamin C: 3mg | Calcium: 40mg | Iron: 4mg
Cooked this recipe?Snap a picture and tag @SlowCookerClub!
Course: Main Course
Cuisine: British
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Filed Under: British, Lamb, Main Courses Some of the links in this post may be affiliate links โ€“ as an Amazon Associate I earn from qualifying purchases. This means if you buy the product we get a small commission at no extra cost to you.

Reader Interactions

Comments

  1. Katrina Woolgrove says

    December 21, 2020 at 9:12 am

    5 stars
    Thank you for your recipe, amazing aroma during cooking and tasted even better!

    Reply
    • Dave says

      December 21, 2020 at 11:38 am

      Pleased you enjoyed it, nothing beats the smell of cooking lamb!

      Reply
  2. Michelle says

    December 04, 2020 at 11:39 pm

    Did you de-bone the lamb shoulder before cooking in the slow cooker?
    Thanks!

    Reply
    • Dave says

      December 04, 2020 at 11:49 pm

      Leave the bone in, when it pulls away easily you’ll know the lamb shoulder is cooked.

      Reply
  3. Ellie says

    August 17, 2020 at 12:38 pm

    Hi! Excited to try this recipe soon, I have a question though. Is the meat pull apart after the 5 and a half hours on low or would I need to cook it longer for it to be pull apart? Thank you!

    Reply
  4. Kat says

    June 20, 2020 at 10:55 pm

    Hi. Canโ€™t wait to try this. I have a small boneless shoulder of lamb (0.6kg). How long will it need in the slow cooker please?

    Reply
    • Dave says

      June 21, 2020 at 9:22 pm

      Hi Kat, it mostly depends on your slow cooker. There are tips in the recipe notes that will help you to work it out!

      Reply
  5. Bobby says

    June 16, 2020 at 10:34 am

    5 stars
    This looks fab and I am going to do it today ๐Ÿ˜€ However, I have two pieces of lamb shoulder fillet at about 250g each, could you tell me roughly how long to slow cook them for please on a low setting? Thank you <3

    Reply
  6. Alison says

    June 12, 2020 at 8:15 pm

    5 stars
    Utterly lovely! Thank you

    Reply
    • Bec says

      June 13, 2020 at 4:54 pm

      Great to hear you enjoyed it!

      Reply
  7. Anita says

    March 04, 2020 at 11:23 pm

    5 stars
    Another great recipe for my slow cooker. The lamb is so good and that sauce is perfect. ๐Ÿ™‚

    Reply
    • Dave says

      March 06, 2020 at 8:38 am

      Thanks Anita, we agree!

      Reply
  8. Krissy Allori says

    March 04, 2020 at 11:19 pm

    5 stars
    Yes! Lamb is best when cooked low and slow. It just gets so tender and delicious.

    Reply
    • Dave says

      March 09, 2020 at 8:47 pm

      It certainly does!

      Reply
  9. Patty at Spoonabilities says

    March 04, 2020 at 10:50 pm

    5 stars
    This lamb looks absolutely delicious! And what a perfect (and easy, no-fuss) meal for Easter dinner! Yum!

    Reply
  10. Irina says

    March 04, 2020 at 10:10 pm

    5 stars
    I have recently started cooking in a slow cooker more often. Your recipe has arrived on time: I was looking for something interesting and delicious! Cannot wait to try…

    Reply
    • Dave says

      March 09, 2020 at 8:46 pm

      Let us know how you get on!

      Reply
  11. Carrie Robinson says

    March 04, 2020 at 9:53 pm

    5 stars
    I love that you made this in the slow cooker! ๐Ÿ™‚ Looks amazing.

    Reply
    • Dave says

      March 04, 2020 at 10:04 pm

      Thanks Carrie, it tastes as good as it looks! ๐Ÿ™‚

      Reply
  12. Tammy says

    February 12, 2020 at 12:50 pm

    5 stars
    This recipe looks amazing! Lamb shoulder is sometimes hard to find…will a leg of lamb work as well?

    Reply
    • Dave says

      February 20, 2020 at 12:52 pm

      Probably but the cooking times would likely be longer due to the size. We’ll have a lamb leg recipe up in the not-too-distant future ๐Ÿ™‚

      Reply

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