Slow Cooker Recipe: Slow Cooked Butterflied Leg of Lamb

Just to let you know, this post was written before I started the paleo diet to help ease my psoriasis. Nowadays I eat a more allergy-friendly diet, but leave these older, non-paleo posts up in case they are useful to readers, as I know not everyone eats the same as I do. Thanks for your understanding. 

One Sunday my husband decided: 'I fancy lamb. I'll go and pick it up and we'll have a big roast dinner.'  What he meant was, he fancied eating a roast lamb dinner and wanted me to cook it for him. So I sent him off with a shopping list and he came back with a butterflied leg of lamb. 

slow cooked lamb slowcooker

It's still (for me) too close to Christmas to be having the oven blaring, juggling trays of roast potatoes and peeling huge quantities of veg so the lamb was going to be cooked very gently, in the slow cooker. And after the success of the burrito-style beef brisket that I cooked without any liquid, I thought I'd give it a go with the lamb. It was, as I expected, completely wonderful. I'm cutting back a little on red meat at the moment, and so if you're going to have it on a rare occasion, you might as well have it like this. 

Slow-Cooked Butterflied Leg of Lamb
Serves 5, with extra for sandwiches (and chopping board pickings)
  • Approx 1kg butterflied leg of lamb
  • sea salt and pepper (I like the Cornish sea salt's 'luxury salt and pepper' with red pepper flakes)
  • pinch of dried thyme
  • Olive oil
  • 1 onion, peeled and sliced
Switch your crockpot on to the 'high' setting. Scatter the slices of onion over the bottom of the crockpot and lower in the lamb. Rub the lamb well with salt, pepper, the dried thyme and a drizzle of olive oil and replace the lid. Leave to cook for 5-6 hours, until the lamb is meltingly tender all the way through. Transfer to a board and shred roughly, basting with a tablespoon or two of the cooking juices (skim the fat off first) or make your own gravy to serve alongside. 

slow cooked lamb


  1. Hello Jo,

    As you know, Him Indoors is an avid meat eater. (I think he and your husband are kindred spirits!) Anyway - this is right up his street. The cooked lamb in your pic looks amazing! I've been trying to find the confidence to chuck a whole big piece of meat into the slow cooker. Kavey of Kavey Eats recommended cooking a whole chicken in the same way. Your post is the final push I needed! Thanks very much!

    Lots of love

    1. HI Snigdha, good to hear from you! You can cook lots of meats in the slow cooker - I rarely have the oven on now, unless I'm making roast potatoes or wedges for a Sunday lunch.... pork beef, lamb, and I can confirm that Kavey's method for cooking chicken is brilliant! I stick a lemon into the cavity before I place in the slow cooker and make sure I have a slosh of white wine in there too now - terrific! Good luck xxx

  2. That's looks very yummy will try tonight and let you know how I get on with it


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