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You are here: Home / Main Meal / 2 Ingredient Slow Cooker Roast Lamb – so easy!

2 Ingredient Slow Cooker Roast Lamb – so easy!

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2 Ingredient Slow Cooker Roast Lamb Pinterest image
2 Ingredient Slow Cooker Roast Lamb Pinterest image
2 Ingredient Slow Cooker Roast Lamb Pinterest image

Moist and delicious, 2 Ingredient Slow Cooker Roast Lamb is prepared in seconds. You won’t want to roast a leg of lamb in any other way once you’ve tried this easy slow cooker roast! 

2 Ingredient Slow Cooker Leg of Roast Lamb - in slow cooker
Today I’m sharing my stupidly easy plus utterly moist and delicious 2 Ingredient Slow Cooker Roast Lamb.

As we head into summer and look forward to balmy hot days I really don’t want to spend much time cooking or switch the oven on in an already hot kitchen. Last Sunday it was a sweltering day and I had a virus. The last thing I wanted to do was cook or wash up lots of greasy, burnt pans but I had a half a leg of lamb that needed cooking.

So instead of roasting it in the oven along with potatoes I decided a less messy and cooler solution would be to roast my half leg of lamb in the slow cooker and to make ActiFry roast potatoes. Then all I had to do was boil/steam some vegetables and make some gravy.

2 Ingredient Slow Cooker Leg of Roast Lamb with stock cube rubbed in - in slow cooker (raw).

In the past I have made cuts into the lamb joint and inserted garlic and fresh rosemary.

However, this really was one of those days where even the bare minimum was a huge effort. Hence, I decided that hubby’s idea of just sprinkling over a lamb stock cube for a bit of flavour enhancement sounded like a fab idea.

If you have a cook’s syringe or one of those fancy jugs that separates the fat from the meat juices then you can add the juices to your gravy for a great flavour boost.

 

We were all in food heaven eating our lamb Sunday roast, the meat was really tender and falling off the bone and the the stock cube really enhanced the lamb flavour!

I was very happy to not have messed up my oven with all the lamb fat and there were no cumbersome roasting tins to wash up.

So summer or winter I will definitely be using the slow cooker to roast all my lamb joints from now on and it’s so energy efficient too!

2 Ingredient Slow Cooker Roast Lamb chopped up on a board.

Do you need to brown the lamb before slow cooking?

No, there’s no need to brown the lamb before slow cooking as the stock cube forms a lovely golden finish to the skin.

Do you need any added liquid to slow cook leg of lamb?

No, the leg of lamb will cook in it’s own juices to render beautifully tender meat.

How long does slow cooker half leg of  lamb take to cook?

On high 3 1/2 – 4 hours and on low 7 – 8 hours.

 

2 Ingredient Slow Cooker Roast Lamb served with roast potatoes, carrots & courgettes.

How can you adapt this slow cooked roast lamb recipe?

If you have a bit more time then you could makes some cuts into the lamb and add garlic cloves (side sliced in half) and sprigs of rosemary for a delicious alternative.

More Slow Cooker Meat Recipes

I do hope you try my super easy 2 Ingredient Slow Cooker Roast Lamb which is perfect to throw together before you go out for the day. For more delicious slow cooked meat recipes you might like to check out the following:

  • Slow Cooked Pulled Lamb with White Wine & Root Vegetables – Fab Food 4 All
  • Slow Cooker Shoulder of Lamb with Apricot & Chestnut Stuffing – Fab Food 4 All
  • 2 Ingredient Slow Cooker Pulled Gammon – Fab Food 4 All
  • Easy Slow Cooker Beef Stew – Fab Food 4 All
  • Slow Cooked Beef & Butternut Squash – Fab Food 4 All
  • Beef in Beer – Fab Food 4 All
  • Slow Cooked Chicken Italian – Fab Food 4 All
  • Chicken Casserole & Cheesy Herb Dumplings – Fab Food 4 All
  • Poor Man’s Crispy Duck (Pulled Hoisin Pork Tortillas) – Fab Food 4 All
  • Slow Cooker Roast Chicken – Munchies & Munchkins
  • Slow Cooker Roast Pork with Sage & Onion – BakingQueen74
  • Sweet & Sour Slow Cooked Pork – Recipes Made Easy

If you have any slow cooked roast lamb leftover then you really need to make Lamb Burning Love! A simple but incredibly yummy dish from my childhood!

Lamb Burning Love in a serving dish.

I’ve recently been asked “how long will a 2 kg leg of lamb take to slow cook”?

On low I suggest 9 – 10 hours and on high 5 – 6 hours!

Do you cook joints in your slow cooker? Do let me know your favourite tips and tricks in the comments!

I’m sure you’ll love my 2 Ingredient Slow Cooker Roast Lamb so do leave a comment and rating below when you make it! Plus share your pics by tagging @FabFood4All on social media, I love to share them!

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So easy, 2 Ingredient Slow Cooker Roast Lamb - super quick to prepare and super tasty & tender! @FabFood4All

2 Ingredient Slow Cooker Leg of Roast Lamb - in slow cooker
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2 Ingredient Slow Cooker Roast Lamb

Prepared in seconds this easy 2 Ingredient Slow Cooker Roast Lamb is so moist and tender you'll want to make it every Sunday!
Course Main
Cuisine British
Keyword crockpot, lamb, quick
Prep Time 1 minute
Cook Time 4 hours
Total Time 4 hours 1 minute
Servings 4 - 5
Author Camilla Hawkins

Ingredients

  • 1 kg ½ leg of lamb (for bigger joint see notes below)
  • 1 lamb stock cube

Instructions

  • Place lamb joint in slow cooker and crumble over stock cube.
  • Place lid on and cook for 3 ½ to 4 hours on high or 7 to 8 hours on low.
  • Serve with vegetables and gravy of your choice.

Notes

If doing a 2 kg leg of lamb increase the cooking time to 9 - 10 hrs on low, or 5 - 6 hrs on high.
If you want to ring the changes then make some cuts into the lamb and inset halved cloves of garlic and sprigs of rosemary.
 

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Reader Interactions

Comments

  1. Vicky

    08/07/2020 at 9:57 pm

    Could you do this with lamb chump?

    Reply
    • Camilla

      09/07/2020 at 12:49 am

      Hi Vicky, I’m afraid I don’t know as that’s not even a cut of lamb I’m familiar with. I think the bone is important for keeping this roast succulent and so my gut instinct would be no but I could be wrong!

      Reply
  2. Sheila

    22/06/2020 at 10:55 am

    Good morning! Just about to try out this 2ingredient leg of lamb recipe! It’s just under 1kg…how long cooking in slow cooker on “low” setting please? Many thanks & have a great day

    Reply
    • Camilla

      22/06/2020 at 1:11 pm

      Hi Sheila the recipe is for a 1 Kg half leg of lamb so just follow the instructions and you’ll be fine, just check after the shorter amount of time.

      Reply
  3. Lucy

    18/04/2020 at 10:00 pm

    I want to make this tomorrow, I have a 1kg half leg with the bone in.. do I still need to do it for 8 hours on low?
    Thanks

    Reply
    • Camilla

      19/04/2020 at 12:26 am

      Yes that’s exactly what I use in the recipe so 7 – 8 hrs on low:-)

      Reply
  4. Jonathan

    29/03/2020 at 2:31 pm

    Just made this for Sunday lunch, it was fantastic. Really pleased with how it came out so full of flavour and tender. The Left over juices also helped make a good gravy. Some mint sauce on the side and roast potatoes, yum, the family were very happy. I am sooo doing this recipe again. Thanks for the recipe!

    Reply
    • Camilla

      29/03/2020 at 3:03 pm

      Thank you for your feedback Jonathan, it is such a winner of a recipe isn’t it:-)

      Reply
      • Mr Bev HOLDING

        09/04/2020 at 2:48 pm

        Hi Camilla,
        Have used this recipe many times with great success. I’m now wanting to use a full 2kg leg ( having bought a 6.5l slow cooker),. please could you advise me of the revised cooking times.
        Many thanks
        Bev

        Reply
        • Camilla

          09/04/2020 at 7:02 pm

          Hi Bev, I would say it would be 5 – 6 hrs on high or 9 – 10 hrs on low.

          Reply
          • Mr Bev HOLDING

            10/04/2020 at 9:42 am

            Many thanks

          • Camilla

            10/04/2020 at 11:59 am

            Pleasure, I’ve also added the info to the post:-)

      • holly rheachel

        03/01/2021 at 3:40 am

        I can’t find lamb cubes what else can I make it with

        Reply
        • Camilla

          03/01/2021 at 2:02 pm

          I’m sure beef would be fine or veg failing that.

          Reply
  5. Maxine

    08/03/2020 at 5:42 pm

    Have just done this with the actrify roasties
    OMG!!
    So delicious & so easy
    Thank you x

    Reply
    • Camilla

      08/03/2020 at 11:12 pm

      Yay, glad you liked it, thank you for your feedback:-)

      Reply
  6. Sandra Slater

    01/03/2020 at 11:10 am

    I also sprinkle beef stock cube on roast potatoes.
    My mums recipe for lamb was cover lamb in English mustard then add brown sugar. Oh so good!!

    Reply
    • Camilla

      01/03/2020 at 11:15 am

      Fab, I put a seasoned semolina mix on our roast spuds https://www.fabfood4all.co.uk/crispy-coated-roast-potatoes/ . Your mum’s lamb sounds similar to what I do with our gammon at Christmas so bet that tastes good:-)

      Reply
  7. Bettylou Ackerson

    08/02/2020 at 7:22 pm

    I’ve just read your receipe for doing lamb in the crockpot. I’ve never heard of lamb stock cube. Must be something British. Can I use a beef cube. We only have chicken and beef where I live Will this work

    Reply
    • Camilla

      18/02/2020 at 9:39 pm

      Hi Bettylou yes I’m sure a beef stock cube would work just as well!

      Reply
  8. Terry Anderson

    02/02/2020 at 12:32 pm

    It has started burningbmy lamb after about an hour, what should I do? Please help

    Reply
    • Camilla

      02/02/2020 at 4:38 pm

      Hi Terry, I’ve never heard of this happening and this is my most popular recipe. Do you have a metal crockpot as opposed to porcelain? If you had it on high I would turn down to low also.

      Reply
  9. Cas

    05/01/2020 at 1:56 pm

    Tried this for Sunday roast with family.
    Was perfect. All meat being done like that in future..
    so easy.
    Thank you

    Reply
    • Camilla

      06/01/2020 at 10:19 pm

      Excellent Cas, so glad you like it. It doesn’t work with normal roast beef I should warn you (a bit tough, I tried), so brisket would be the one to pick if wanting beef! Chicken also fine, you just don’t get a crispy skin.

      Reply
  10. Stuart

    23/12/2019 at 11:23 am

    Hi. Made this yesterday and it was delicious.
    Thank you.
    Was wondering could you do a similar thing with a beef roasting joint with a beef stock cube?

    Reply
    • Camilla

      23/12/2019 at 9:04 pm

      Hi Stuart, I did actually try this without much success, it was edible but sweaty & tough from memory. I think the bone in the lamb is the difference.

      Reply
    • Joanna Wood

      03/01/2020 at 6:42 pm

      Do you not need to add water?

      Reply
      • Camilla

        03/01/2020 at 10:45 pm

        No, it really is that simple:-)

        Reply
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