Slow-cooked harissa lamb (2024)

Method

  • STEP 1

    If you’re making the harissa, tip the dried chillies into a heatproof bowl and pour over just enough boiled water from the kettle to cover. Cover the bowl and leave to cool. Once cool enough to handle, drain the chillies, reserving the water. Remove any stalks and pat dry with kitchen paper. Tip the chillies into a food processor with the garlic, 1 tsp salt, the olive oil, spices and vinegar, and blitz to a purée. If needed, add a little of the reserved water to loosen. Will keep, chilled, for up to a month.

  • STEP 2

    Make 15 cuts, about 3-5cm long, all over the lamb. Reserve 1 tbsp of the harissa paste, then rub the rest all over the lamb and into the cuts. Scatter the onions into a large roasting tin and sit the lamb on top. Leave at room temperature for 1 hr, or cover and chill overnight.

  • STEP 3

    Heat the oven to 160C/140C fan/gas 2. Roast the lamb for 4-5 hrs until the meat is fork-tender. Lift the lamb out onto a large board or serving plate. If the tin is flameproof, pour in the stock; if not, tip the contents of the tin into a saucepan first. Bring to the boil, scrape up any browned bits using a wooden spoon, and cook until the liquid is reduced by about a third – it should be a thick, rich onion gravy. Stir in the reserved harissa and the chopped coriander. Serve the lamb with the onion gravy.

Slow-cooked harissa lamb (2024)

FAQs

Can you slow cook lamb too long? ›

However, if you leave lamb in the slow cooker for too long it will become stringy and dry. Although it's still edible, it won't have the same tender juiciness that you want from slow-cooked lamb.

Why is my slow cooked lamb not falling apart? ›

If it is not tender the collagen has not broken down fully. Make sure the temp is low on your crockpot not medium or higher. After you cooked it there's not a lot you can do, but learn from your mistakes, next time lower the temperature and cook for longer. Any meat, the slower you cook it the more tender it will be.

Why is my lamb in a slow cooker still tough? ›

Slow-cooking lamb requires patience. While cooking, resist the urge to keep checking on the lamb and refrain from opening the oven or slow cooker. Opening the lid or foil too often will lower the temperature and extend the cooking time, making the meat less juicy and tender.

How do you know when slow cooked lamb is done? ›

After 5 hrs the meat will be cooked and offer no resistance to the knife. There is no need to rest the meat when cooked in this way, but to finish the sauce, transfer the meat and vegetables to a serving dish.

Does lamb get softer 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 150°C to soften the meat.

Should I brown my lamb before slow cooking? ›

If you have an extra 10 minutes, it's often worth browning the meat before slow cooking it. Browning or searing the meat in a hot pan caramelises its surface, which can give the final dish a richer, deeper flavour and colour. The high temperatures also help to render the fat on the surface of your lamb.

How do you know when lamb is cooked enough? ›

THE FINGER OR TONG TEST

Very soft = rare – bright red, raw centre. Soft = medium rare – pink inside with a red centre. Springy = medium – pink throughout. Firmer = well-done range – mostly brown inside.

At what temperature does lamb fall off the bone? ›

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).

How do you keep slow cooked lamb from drying out? ›

Lamb leg is lean, so to slow cook it's best to partially submerge in a flavoured liquid which keeps the flesh moist plus infuses with flavour. I'm using garlic and rosemary in this recipe – classic lamb flavours!

Should you sear lamb before putting in slow cooker? ›

No, you don't have to brown lamb before slow cooking. The meat will still become moist and fall-off-the-bone tender. However, the slow cooker will never be hot enough to brown the meat, so if you decide to skip this step be aware that the finished dish may look paler than expected.

Does lamb need to be fully submerged in slow cooker? ›

No, lamb shanks don't have to be completely covered in liquid, but they also can't be dry roasted. In a slow cooker, the steam trapped inside from any added liquids will be enough to cook the shanks.

Is it better to slow cook on low or high? ›

Certainly, foods will cook faster on high than on low. However, for all-day cooking or for less-tender cuts, you may want to use the low setting. It's safe to cook foods on low the entire time -- if you're leaving for work, for example, and preparation time is limited.

Should slow cooked lamb be pink? ›

I've said it before and I'll say it again – lamb leg should either be roasted exactly such that it's blushing pink inside, or long and slow so it's ultra tender. Blushing pink = meat thermometer or holding-your-breath-cross-your-fingers for that moment when you carve, hoping for juicy lamb rather than grey and dry.

Can you eat slightly undercooked lamb? ›

It is safe to eat lamb rare or mutton as long as the outer surface is thoroughly seared. Similar to beef, harmful bacteria like E. Coli are typically found on the meat's exterior. That said, you should still be mindful and use a handy meat thermometer when cooking the lamb to rare doneness to guarantee your safety.

Should I cook lamb on high or low heat? ›

Roast leaner cuts of lamb in a hotter oven (450°F) to get a lovely brown crust and a well-cooked center; cook fattier cuts of lamb low and slow (325°F) to render all the fat and allow the lamb to cook in its juices. Due to residual heat, your lamb will continue to cook even after you pull it out of the oven.

Can I cook lamb for 12 hours? ›

A lamb leg is classic. A 3-hour shoulder is excellent. But for the most succulent roast lamb of your life, slow-roast it for 12 hours in the oven overnight. Cooked at a very low temperature with plenty of braising liquid, you can set-and-forget without a worry.

What happens if you overcook lamb? ›

The level of doneness for lamb largely comes down to personal preference. Pull it out of the oven too soon and it may be too undercooked and unappetizing for your taste. When cooked for too long, this tender cut can be quick to dry out. A deeply browned crust won't cut it for figuring out whether your lamb is finished.

What happens if you slow cook too long? ›

The food will not only stain the cooker's interior, but it will also be soggy and overcooked and be left open to bacteria. Most of the programmable slow cookers available today have a 24-hour cycle, which would shut the slow cooker off automatically, but older models don't necessarily have this function.

Does cooking lamb leg for longer make it more tender? ›

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).

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