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    Home » Recipes » Soups, stews and casserole recipes

    Slow cooker lamb ragu

    Published: Jul 29, 2023 · Modified: Oct 28, 2024 by VJ · This post may contain affiliate links · Leave a Comment

    Jump to recipe

    Slow cooker lamb ragu, made with pieces of lamb shoulder, and cooked slowly in a rich gravy flavoured with onions, tomatoes and mushrooms, is a dish that will not only please the most discerning of dinner guests, but will also make a satisfying and comforting meal that can be enjoyed by the entire family.

    A bowl of lamb ragu with slices of flat bread.
    Jump to:
    • What is ragu?
    • What you will need
    • What to do
    • Slow cooker lamb ragu FAQ
    • Save for later
    • Other recipes
    • 📋The recipe

    What is ragu?

    The word ragu derives from the French word 'ragout', meaning 'stew'. So simply put, a ragu is just a stew. But this recipe is more than 'just a stew'. It's a deeply savoury dish, with meat so tender that it practically melts in your mouth. And as it cooks, the flavours develop and form a deliciously tasty gravy that begs to be slurped up from the spoon.

    You can serve this lamb ragu either mixed with your favourite pasta (the wider tagliatelle or pappardelle noodles are particularly good) or gnocchi. You could even spoon it over a dish of mashed potatoes, polenta or rice.

    Add a fresh green salad and a few slices of flatbread to mop up the last of the gravy, and you have a meal that will have everyone clamouring for seconds.

    This recipe for lamb ragu is made with pieces of lamb shoulder. This cut of meat can be quite tough, but leave it for a few hours in a slow cooker and it transforms into the most delectable and succulent meat, that can be pulled apart with a fork.

    The gravy is thick, rich, and flavoured with plenty of tomatoes and onions. And a large amount of chopped mushrooms adds an extra element of deliciousness.

    The beauty of this dish is that all you have to do is brown the lamb and onions, and then tip everything into the slow cooker and leave it alone for a few hours until you are ready to serve.

    If you are looking for a proper lamb stew with lots of vegetables then you might like to try one of these recipes - pressure cooker lamb stew or my very popular South African lamb bredie. Ang if you are looking for an easy way to cook lamb in the slow cooker, why not try this slow cooker lamb shoulder?

    That's what I call easy cooking!

    Close up of lamb ragu showing the meat being shredded with 2 forks.

    Let me show you how to make it.

    What you will need

    Equipment

    You will need a sharp knife and a chopping board for cutting up the meat and vegetables, and a frying pan for browning the lamb and onions. Apart from that, the only other piece of equipment you will need is a slow cooker or crockpot.

    Ingredients

    This recipe will feed 6 people. However, any leftovers can be frozen for another meal.

    **You can find the complete list of ingredients and full instructions for making this slow cooker lamb ragu on the printable recipe card at the end of this post**

    Ingredients for slow cooker lamb ragu.

    Lamb - the best cut of lamb to use is lamb shoulder cut into large chunks. The shoulder contains lots of connective tissue which breaks down during the long slow cooking time, resulting in succulent meat that can easily be shredded with two forks. For a cheaper option, you could use lamb neck or pieces of stewing lamb.

    Mushrooms - I used brown chestnut mushrooms but you could use white button mushrooms or baby mushrooms. If the mushrooms are on the large side, slice them or cut them into halves or quarters. Baby mushrooms can be left whole.

    Onions - these should be peeled and coarsely chopped. If you would like to get more vegetables into the ragu add finely chopped carrot and celery in addition to the mushrooms.

    Tomatoes - I used a can of tomatoes. You can substitute this with the equivalent amount of fresh chopped tomatoes.

    Garlic - this dish calls for quite a lot of garlic - I used 5 cloves of minced garlic. Adjust it according to your own taste.

    Stock - If you have fresh beef stock you can use that, otherwise make stock by using a stock cube or stockpot. For a richer flavour substitute half of the beef stock with a good red wine.

    Italian herbs (or mixed herbs) - this is a mixture of oregano, rosemary, thyme and basil. I used dried herbs. If you prefer you can use finely chopped fresh herbs but you will need to use double the amount of fresh as dried.

    Olive oil - this is used for browning the meat and onions.

    Salt - for seasoning, and to your own taste.

    You will also need 2 or 3 teaspoons of cornflour (or cornstarch) mixed with 2 or 3 tablespoons of water to thicken the gravy.

    What to do

    In a nutshell, these are the steps for making lamb ragu:

    • Peel and chop the onions and garlic. Wipe the mushrooms with a damp cloth and cut them into quarters.
    • Cut the lamb into 2 to 3-inch chunks (or get your butcher to do it for you).
    • Sear the pieces of lamb in olive oil until they start to brown and transfer them to the slow cooker.
    • Brown the onions in the same pan and add them to the lamb.
    • Fry the mushrooms with the garlic and add those to the lamb too.
    • Add the remaining ingredients to the slow cooker and leave for 5 to 6 hours on low.
    Pieces of lamb being browned in a frying pan.

    Season the pieces of lamb with salt and fry them in olive oil on high heat for 2 to 3 minutes per side until they start to brown. Do this in batches so as not to overcrowd the pan or the meat will release juices and stew rather than brown.

    Pieces of lamb in a slow cooker.

    Transfer the browned lamb to your slow cooker.

    Onions being browned in a frying pan.

    Fry the onions in the same pan for about 5 minutes, or until the onions start to turn translucent. If you are using carrots and celery, you can fry these with the onions.

    Onions added to lamb in a slow cooker

    Add the browned onions to the lamb in the slow cooker.

    Cooked mushrooms in a frying pan.

    Fry the mushrooms and garlic in the same pan, stirring continuously, until the mushrooms start to release their moisture.

    Cooked mushrooms with lamb and onions in a slow cooker, sprinkled with dried herbs.

    Tip the mushrooms (and any liquid that they release) into the slow cooker and sprinkle the herbs over the top.

    Tomatoes and stock added to the lamb ragu in a slow cooker.

    Pour in the tomatoes and stock, cover with a lid and leave to cook on low for 5 to 6 hours. You can also cook this on high, and it will take between 4 to 5 hours for the meat to tenderise.

    Cooked lamb ragu being removed from the slow cooker with a large spoon.

    Once the meat is tender, use a large spoon to transfer the meat and vegetables to a serving dish. Leave the liquid in the slow cooker.

    Close up of lamb ragu being shredded with 2 forks.

    Use two forks to help you pull the meat apart.

    Thickened gravy in a saucepan with a spoon showing the consistency.

    Transfer the liquid from the slow cooker into a saucepan and place it over medium heat. Stir in a mixture of cornflour and water until the gravy reaches the desired consistency.

    Close up of lamb ragu in a white dish.

    Stir the thickened gravy into the ragu and serve hot with your choice of starch (potatoes, pasta, polenta, gnocchi) and either a salad or steamed vegetables.

    If you'd like to be notified of new recipes, why not subscribe to my newsletter? To say thank you, you will receive a free recipe e-book containing some of my most popular cakes and desserts.

    A dish of lamb ragu mixed with tagliatelle and topped with parmesan cheese.

    If you would like to serve this ragu with pasta, simply cook your preferred pasta shapes in a pot of boiling salted water, drain and stir in the ragu. Garnish with parmesan cheese.

    Slow cooker lamb ragu FAQ

    Does lamb ragu freeze well?

    Yes, lamb ragu freezes very well. Allow it to cool to room temperature and then pack it into suitable containers and freeze for up to 3 months To use, allow it to defrost in the refrigerator and then heat it in a saucepan until it is piping hot. Do not refreeze.

    Can I make lamb ragu in advance?

    Lamb ragu can be made up to 3 days in advance and stored in a covered container in the refrigerator. Reheat in the microwave or on the stove.

    What can I do with leftover ragu?

    Leftover lamb ragu can be turned into delicious pies. Make your own pastry (use the pastry from this curried chicken pie recipe) or use store-bought shortcrust pastry. Cut the pastry to size and add spoonfuls of lamb ragu for the filling. Seal the edges of the pastry, brush with beaten egg and bake for approximately 25 minutes at 200C/400F until golden.

    Do I have to use lamb for this recipe?

    You can make a ragu with whatever cut of meat you prefer. You could use stewing beef in this recipe (cooking time will remain the same) or pieces of chicken (you will need to shorten the cooking time by one hour and use chicken stock instead of beef stock).

    Can I make this recipe on the stovetop?

    Yes, you can make lamb ragu on the stove instead of in a slow cooker. Follow the recipe, but use a large (covered) saucepan instead of the slow cooker. Simmer the ragu for approximately 3 hours, or until the meat can be shredded with a fork. Top up with extra stock if necessary

    A plate of lamb ragu next to a plate of flatbread and a dish of salad.

    Save for later

    If you would like to try this slow cooker lamb ragu recipe, why not save the recipe to one of your Pinterest boards so you can find it easily? Just click on the image below.

    Alternatively, you can save the recipe by clicking on the floating heart icon on the right-hand side of the screen.

    Other recipes

    If you enjoyed this lamb ragu, you might like to try some of my other lamb recipes:

    • Lamb stew in a bowl next to a plate of crusty bread rolls.
      Slow cooker Irish lamb stew with barley
    • Close up of a lancashire hotpot showing the lamb under the potatoes.
      Traditional Lancashire hotpot (lamb hotpot)
    • A dish of braised lamb kidneys on white rice.
      Braised lamb kidneys with mushrooms
    • A minted lamb shank on a bed of mustard mashed potatoes.
      Lamb Shanks with minted gravy

    📋The recipe

    A plate of lamb ragu next to a plate of flatbread and a dish of salad.

    Slow cooker lamb ragu

    Slow cooker lamb ragu, made with pieces of lamb shoulder, and cooked slowly in a rich gravy flavoured with onions, tomatoes and mushrooms, is a dish that will not only please the most discerning of dinner guests, but will also make a satisfying and comforting meal that can be enjoyed by the entire family.
    Recipe by: Veronica
    Main Course
    British
    Calories 430
    Prep 20 minutes minutes
    Cook 6 hours hours
    Total Time 6 hours hours 20 minutes minutes
    Servings: 6 to 8 people
    Print Pin Comment Bookmark Saved!
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    5 from 2 votes

    (Click the stars to rate this recipe)

    Equipment

    • Slow cooker
    • Sharp Knife
    • Chopping Board
    • Frying Pan

    Ingredients

    • 26 ounces / 750 grams lamb shoulder cut into large cubes
    • 2 tablespoons olive oil
    • 1 pound / 250 grams onions coarsely chopped
    • 14 ounces / 400 grams chestnut mushrooms (quartered) about 1½ punnets
    • 5 cloves garlic finely minced
    • 14 ounce / 400 gram can chopped tomatoes
    • 2 cups / 480 ml beef stock make with a stock cube if you don't have fresh stock
    • 2 teaspoons dried Italian herbs / mixed herbs substitute with fresh, but double the quantity.
    • Salt to taste
    • 3 teaspoons cornflour / cornstarch mixed with 2 to 3 tablespoons cold water

    Instructions

    • Season the pieces of lamb with salt and fry them in olive oil on high heat for 2 to 3 minutes per side until they start to brown. Do this in batches so as not to overcrowd the pan or the meat will release juices and stew rather than brown.
      26 ounces / 750 grams lamb shoulder, Salt, 2 tablespoons olive oil
    • Transfer the browned lamb to your slow cooker.
    • Fry the onions in the same pan for about 5 minutes, or until the onions start to turn translucent. If you are using carrots and celery, you can fry these with the onions.
      1 pound / 250 grams onions
    • Add the browned onions to the lamb in the slow cooker.
    • Fry the mushrooms and garlic in the same pan, stirring continuously, until the mushrooms start to release their moisture. This will take 3 to 4 minutes.
      14 ounces / 400 grams chestnut mushrooms (quartered), 5 cloves garlic
    • Tip the mushrooms (and any liquid that they release) into the slow cooker and sprinkle the herbs over the top.
      2 teaspoons dried Italian herbs / mixed herbs
    • Pour in the tomatoes and stock, cover with a lid and leave to cook on low for 5 to 6 hours. You can also cook this on high, and it will take between 4 to 5 hours for the meat to tenderise.
      14 ounce / 400 gram can chopped tomatoes, 2 cups / 480 ml beef stock
    • Once the meat is tender, use a large spoon to transfer the meat and vegetables to a serving dish. Leave the liquid in the slow cooker.
    • Use two forks to help you pull the meat apart.
    • Transfer the liquid from the slow cooker into a saucepan and place it over medium heat. Stir in a mixture of cornflour and water until the gravy reaches the desired consistency.
      3 teaspoons cornflour / cornstarch
    • Stir the thickened gravy into the ragu and serve hot with your choice of starch (potatoes, pasta, polenta, gnocchi) and either a salad or steamed vegetables.

    Notes

    You may also like to add a cup of chopped carrots and half a cup of chopped celery with the onions.
    If you would like to serve this ragu with pasta, simply cook your preferred pasta shapes in a pot of boiling salted water, drain and stir in the ragu. Garnish with parmesan cheese.
    Cooled leftovers can be frozen in a suitable container for up to 3 months.
    This ragu can be made with beef or chicken instead of lamb.  If using chicken, the cooking time can be shortened by one hour and you should use chicken stock instead of beef.
    For a richer gravy, substitute half of the stock with red wine.
    Nutrition has been calculated based on 6 portions but excludes any starch that you may serve with the dish.

    Nutrition

    Calories - 430kcal | Carbohydrates - 10.7g | Protein - 25.4g | Fat - 31.9g | Saturated Fat - 13g | Cholesterol - 89mg | Sodium - 739mg | Potassium - 402mg | Fiber - 2.7g | Sugar - 4.7g | Vitamin D - 240µg | Calcium - 53mg | Iron - 5mg

    I am not a nutritionist. The nutrition information has been calculated using an on-line calculator, and is intended for information and guidance purposes only. If the nutrition information is important to you, you should consider calculating it yourself, using your preferred tool.

    Unless otherwise stated, a cup is the standard US cup containing 240 ml. In all my recipes this cup is assumed to hold 140g of flour. For help converting other ingredients between cups, grams, ounces and other measures, see my recipe conversion calculator.
    All my recipes are developed and tested at sea-level. For tips on adjusting recipes for high altitudes see my post on baking at high altitudes.
    Tried this recipe?If you made this recipe I'd love it if you could leave me a comment and let me know how it went!
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    About VJ

    Before I started my food blog I was an IT Consultant. Now that I've swapped an office for a kitchen I have a lot more time to spend on things that interest me such as trying out new recipes. Most of my cooking is based around quick and easy meals, mostly made from scratch, using everyday pantry ingredients.

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