Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (2024)

Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (1)

My slow roast lamb recipe is possibly one of my favourite meals of all time. The lamb is sweet, fragrant, and beautifully textured. It is melt-in-the-mouth tender with a succulently chewy skin (bark). It’s the simplest, and most rewarding roast meats and I have yet to find any other way of doing this that tastes any better. Slow roast lamb is simply decadent.

Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (2)

We love slow roast lamb so much in our family that we chose it as our meat for our wedding day menu – our caterers did an amazing job, and we still get loads of compliments on our wedding food.

I have been making my slow roasted lamb like this for years and it never fails to impress. So if you are a fan of lamb, you have to try this!

I choose a lamb shoulder joint rather than a leg because the shoulder has the lines of fat running through it that, when cooking slowly in the oven for hours, will melt and lubricate the meat. The result is lamb that is super succulent and tender. So, so tender. So tender in fact that the shoulder bone can be pulled clean out from the meat. The meat itself practically crumbles.

The outside of the slow roast lamb kind of caramelises and forms are tougher, chewy skin. It’s full of flavour from the marinade and makes for a welcome contrast to the moist meat. It’s unbelievably delectable.

Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (3)Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (4)Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (5)

I usually cook a couple of lamb shoulder joints at once, I use some of the meat for a Sunday Roast Dinner with my family. The rest of it I save for a leftovers meal such as Shepherd’s Pie, curry, a fresh salad in the summer, or my favourite … leftover sandwich complete with cold stuffing and mayo.

I prefer to get my lamb shoulder from my local organic butcher, the quality is so much better with more a marble effect of the fat running through the meat. Generally I use a 1.75 – 2kg shoulder to feed around 4-6 people. Adjust the cooking time according to the size of the meat.

Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (6)Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (7)Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (8)

And I cannot recommend enough using the shoulder of lamb rather than the lamb, it’s 100% my top choice of cut for slow roasting (but if you do only have a leg of lamb, perhaps consider pot roasting it on a slow cooking basis. The extra liquid will help keep the moisture in the meat).

Lamb shoulder is often overlooked as a joint, with many reaching for the leg of lamb, but give the shoulder a go in the slow roast fashion, and you will be pleasantly surprised!

And the best thing about roasting a huge batch of lamb is the leftovers!

More lamb recipes you might like:

Lamb, Pomegranate and Mint Pie

Lamb Dhansak

Glazed Ham in Ginger Beer

Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (9)

Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (10)

Slow Roast Lamb (serves 4+)

Ingredients

* minimum 1.5kg Shoulder of Lamb

* at least 1-2tbsp Garlic Puree

* 1tsp Dried Chilli Flakes

Method

1. Remove the lamb shoulder from the fridge at least an hour before cooking, if possible. Preheat the oven to 180C (fan).

2. In a small bowl mix together the garlic puree and chilli flakes. Pop the lamb onto a large baking tray and spread the mixture all over the meat.

3. Place the lamb in the preheated oven for 30 minutes.

4. After 30 minutes lower the temperature of the oven to 130C (fan). Allow to slow cook for at least 4 or 5 hours, 6 is usually the best length of time for a 1.5-2kg joint. Be sure to baste the joint once an hour.

5. Remove the lamb from the oven, cover loosely with foil and allow it to rest for a minimum of 30 minutes.

6. To carve the joint use a sharp knife to loosen the thick skin (aka the bark) particularly around the bone. The meat should then easily come away from the bone. Either slice into thick chunks or use a large carving fork to shred the meat apart.

7. Serve immediately with your roast dinner trimmings, or allow to cool to use in other dishes such as shepherds pie, curry or a leftovers sandwich.

Enjoy!

TOP TIP #1 – Use your favourite spices to create your own unique marinade for the lamb shoulder. Great spices for this meat include cumin, thyme, rosemary, paprika, cumin seeds, whole garlic (pierce the lamb with a sharp knife and pop slithers of garlic cloves straight in), black pepper, fennel seeds, coriander.

TOP TIP #2 – If you prefer not to have the chewy skin/bark, simply cover the roasting tin loosely with foil for the slow roasting process.

***

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Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (11)

Ultimate Slow Roast Lamb Recipe: Best Lamb Shoulder Technique (2024)

FAQs

Does lamb shoulder get more tender the longer you cook it? ›

Slow cooking in liquid transforms tougher cuts of lamb into fork-tender meat. Neck, shoulder and belly, either diced or as whole joints, are the best cuts for slow cooking and need to be cooked for at least 2 hrs at 150C to soften the meat.

Is lamb shoulder or leg better for slow roasting? ›

This is our guide to choosing the best cut of lamb for your dish of choice. This part of the animal works hard, so the meat from a lamb's shoulder is full of flavour. It takes a while to become tender, but this means it's a great choice for stewing and slow-roasting.

What temperature should lamb shoulder be cooked at? ›

Well Done
Rare48-50°crested 52-54°c
Medium Rare52-54°crested 56-58°c
Medium56-58°crested 60-62°c
Well Done65-68°crested 70-75°c

How do you keep lamb shoulder from drying out? ›

Lower temp = more succulent meat – Tough cuts like lamb shoulder need slow-cooking to tenderise them. The lower the roasting temperature, the less total moisture evaporation and thus juicier meat. 3-hour lamb is cooked at 180°C/350°F, while the 12 hour lamb is cooked at only 100°C/212°F.

What is the preferred cooking method for lamb? ›

It can be traditionally roasted but is best slow-roasted, pot-roasted or braised with liquid until practically falling apart. Shoulder can also be diced for stewing, or cut into shoulder chops. A pre-sliced roast is convenient, but it tends to dry out in the oven.

How long should shoulder of lamb be cooked? ›

Cook lamb, uncovered, for 30 minutes. Cover with foil and cook for a further 3-3 ½ hours or until meat is tender and falling off the bone, adding a little more stock during the cooking time, if necessary. Remove from oven and rest covered loosely in foil. Meanwhile, increase oven heat to 200°C (180° fan-forced).

How is lamb shoulder most often prepared? ›

Ideal Cooking Methods: Due to its higher fat and connective tissue content, the lamb shoulder shines when subjected to various slow-cooking methods. Braising, stewing and slow roasting break down its tissues, rendering the meat succulently tender.

Should I brown lamb before slow cooking? ›

Tips for slow cooking

Brown the lamb first, in batches if necessary. This will maintain a high heat in the pan and caramelise the juices, which will improve the colour and flavour of the meat. Although lamb is a little more fatty than other meats, don't trim all of it away before cooking.

Why is my lamb shoulder tough? ›

Because the shoulder is a heavily used part of the animal, it can be tough. This means for it to become tender and melt in your mouth, it needs time for the meat to release the tension and for the fat to completely render down. Give yourself around 8 hours to get this one done, plus a little extra for prep.

How does Gordon Ramsay cook lamb? ›

And when you have a gorgeous cut, like a rack of lamb, you can cook it the good ol' Gordon Ramsay way—which is to say, lightly pan-sear it first, then baste it with an herby, garlicky butter, and finally finish it off in the oven until it's still pink and juicy in the middle.

What temp does lamb fall apart? ›

Whether boneless or bone-in, the perfect leg of lamb should be either oven-roasted until blushing pink on the inside (with an internal temp around 130°F) or roasted long and slow for several hours until the meat is very tender and falls apart to internal temp around 175°F (I often use the slow cooker for that).

What temp does lamb pull apart? ›

Collagen begins to break down at 185 degrees F. If you are cooking a pork shoulder, lamb shoulder or beef brisket you will want to cook them to about 195 degrees and then let them rest. Typically, they will carry over to about 205. By that time your meat should be tender enough to pull apart with your fingers.

Should I wrap a lamb shoulder in foil? ›

Sit the lamb shoulder on top, and then cover the lamb and roasting tray in foil. It's usually easiest to do this loosely as the bone in the lamb can pierce the foil, but don't worry too much if that does happen, it really won't affect things too much. Roast in the oven for 4-5 hours.

Why is my slow cooked lamb tough? ›

Check Liquid Levels: Ensure there is enough liquid in the crockpot to keep the lamb moist. If it appears to be drying out, add more broth, wine, or water. Use Acidic Ingredients: Consider adding acidic ingredients like tomatoes or vinegar to the cooking liquid. Acids can help break down connective t.

Can you slow cook lamb for too long? ›

Cuts like the shoulder, shanks and forequarter are much more forgiving than a leg of lamb, and they can stay in the slow cooker for a couple more hours than the recommended cooking time. However, if you leave lamb in the slow cooker for too long it will become stringy and dry.

Does overcooking lamb make it tough? ›

Lamb meat is known for a low risk of parasites so there's no problem eating the meat rare. Therefore, the meat doesn't have to be cooked well-done. Raw lamb meat is red but when cooked, it gradually becomes a pale pink color. But if the meat is overcooked, it will become tough.

Why is my slow cooked lamb not tender? ›

Check Liquid Levels: Ensure there is enough liquid in the crockpot to keep the lamb moist. If it appears to be drying out, add more broth, wine, or water. Use Acidic Ingredients: Consider adding acidic ingredients like tomatoes or vinegar to the cooking liquid. Acids can help break down connective t.

Why is my lamb still tough? ›

Temperature is by far the most critical aspect of cooking lamb chops. Undercooking even tender lamb chops can render them unpleasantly chewy, while overcooking will lead to tough, dried-out meat. Rib chops should be cooked to about 130°F, while loin chops are better at 135°F or even 140°F.

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