Irish Lamb Stew
- By Jennifer Segal
- Updated September 29, 2026
- 283 Comments
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This Irish lamb stew recipe has tender lamb, carrots, and potatoes simmered in a rich, savory broth with Guinness and fresh rosemary.

This Irish lamb stew recipe is hearty, deeply flavorful, and just the thing for a cold day. It starts with chunks of lamb shoulder, which are browned and then slowly simmered in a Guinness-spiked broth until fork-tender. Carrots, potatoes, and peas make it a complete one-pot meal.
The Guinness gives the broth a rich, malty depth without making the stew taste strongly of beer. And like most stews, this one is even better after the flavors have had time to meld, so it’s a great dish to make ahead. Serve it with Cheddar soda bread for soaking up the broth.
“I doubled the recipe for a group of nine to celebrate St. Paddy’s Day and everyone loved it. It was very tasty and the lamb was nice and tender.”
What You’ll Need To Make Lamb Stew With Vegetables

- Lamb shoulder: Ideal for stew because it becomes tender and succulent with slow cooking. Trim away any large pockets of exterior fat before cutting it into chunks.
- Guinness: Adds malty depth and a subtle bitterness that balances the richness of the lamb. The stew won’t taste strongly of beer.
- Onion and garlic: Form the savory base of the stew and mellow as they cook.
- Tomato paste: Adds concentrated tomato flavor and savory depth without making the stew taste tomatoey.
- Flour: Lightly thickens the cooking liquid, giving the broth just enough body.
- Beef broth: Creates a rich, savory base for the stew. Use a good-quality broth since its flavor comes through.
- Rosemary and bay leaf: Add earthy, aromatic flavor that pairs especially well with lamb.
- Carrots and baby Yukon Gold potatoes: Both hold their shape well as they cook while becoming tender; the potatoes also have a naturally buttery texture.Frozen peas: Added near the end so they stay bright and fresh-tasting.
- Jump to the printable recipe for precise measurements
How To Make Irish Lamb Stew
Brown the lamb: Pat the lamb dry, season it, and brown it in batches so the pieces have plenty of room in the pot. Let them develop a deep brown crust before turning—those browned bits are what give the stew its rich flavor. Transfer the browned meat to large bowl and set aside.


Build the base: Cook the onions until softened, then add the garlic and tomato paste. Stir in the flour, followed by the Guinness, scraping up the browned bits from the bottom of the pot as you go. The mixture should look smooth and slightly thickened.




Simmer the lamb: Return the lamb to the pot and coat it with the flour, then add the Guinness, broth, and herbs. Scrape up all those browned bits as the liquid goes in, then let the stew simmer gently until the lamb is beginning to tenderize.


Add the vegetables and finish: Add the carrots and potatoes once the lamb has had a head start, then continue simmering until the vegetables are tender and the lamb yields easily to a fork. The broth should be rich and lightly thickened. Stir in the peas at the very end so they stay bright and fresh-tasting, then taste and adjust the seasoning before serving.


Can I Make Lamb Stew In A Slow Cooker?
Yes, but for best results, begin on the stovetop as directed up to the step of adding the Guinness and broth. Transfer everything to the slow cooker, including the carrots and potatoes, and cook on high for 4 to 5 hours, until the lamb is tender and the vegetables are cooked through. Stir in the peas just before serving.
How to Thicken Irish Lamb Stew
The stew will thicken as it cooks, so don’t worry if the broth seems thin at first. If you’d like it thicker at the end, mash equal parts softened butter and flour into a smooth paste (called a beurre manié). Bring the stew to a simmer, then whisk in the paste a little at a time until the broth reaches your desired consistency.
More Cozy Stew Recipes You’ll Love
Irish Lamb Stew
Ingredients
- 3 lb lamb shoulder, well-trimmed and cut into 1½-in (4-cm) pieces
- 2 teaspoons salt
- 1 teaspoon freshly ground black pepper
- 3 tablespoons vegetable or olive oil
- 2 medium yellow onions cut into 1½-in (4-cm) chunks
- 6 cloves garlic, peeled and smashed
- 3 tablespoons tomato paste
- ¼ cup all-purpose flour
- 1 cup Guinness
- 3 cups beef broth
- 2 cups water, plus 2 tablespoons more for cooking onions and garlic
- 1 bay leaf
- 1 small sprig fresh rosemary
- 2 teaspoons sugar
- 4 large carrots, peeled and cut into 1-in (2.5-cm) chunks on the diagonal
- 1 lb small white boiling potatoes (baby yukons), cut in half
- 1 cup frozen peas
Instructions
- Pat the lamb dry and season with salt and pepper. In a large Dutch oven or heavy pot, heat one tablespoon of oil over medium-high heat until hot and shimmering. Brown the lamb in three batches, adding one more tablespoon of oil for each batch. Do not crowd the pan and let the meat develop a brown crust before turning with tongs. It should take 5 to 8 minutes per batch. Transfer the browned meat to large bowl and set aside.
- Add the onions, garlic and 2 tablespoons of water to the pot. Cook until the onions are soft, stirring with a wooden spoon to scrape any brown bits from the bottom of pan, about 5 minutes.
- Stir in the tomato paste and cook a few minutes more.
- Add the lamb with its juices back to the pan and sprinkle with flour. Stir with a wooden spoon until the flour is completely mixed in, 1 to 2 minutes.
- Add the Guinness, beef broth, water, bay leaf, rosemary sprig and sugar. Stir with a wooden spoon to loosen any brown bits from the bottom of the pan and bring to a boil. Cover the pot with a lid, turn the heat down to low and simmer for one hour and twenty minutes.
- Add the carrots and potatoes to the stew, then cover and continue simmering until the vegetables are cooked and the meat is very tender, 30 to 40 minutes. (Be sure to stir a few times to prevent vegetables from sticking to bottom.)
- Remove the bay leaf and rosemary sprig, and then taste and adjust seasoning if necessary. If serving right away, add the frozen peas and cook until the peas are warmed through. Otherwise, let the stew cool, then cover and store in the refrigerator until ready to serve. Reheat gently on the stovetop and add the peas right before serving.
Notes
Pair with
Nutrition Information
This website is written and produced for informational purposes only. I am not a certified nutritionist and the nutritional data on this site has not been evaluated or approved by a nutritionist or the Food and Drug Administration. Nutritional information is offered as a courtesy and should not be construed as a guarantee. The data is calculated through an online nutritional calculator, Edamam.com. Although I do my best to provide accurate nutritional information, these figures should be considered estimates only. Varying factors such as product types or brands purchased, natural fluctuations in fresh produce, and the way ingredients are processed change the effective nutritional information in any given recipe. Furthermore, different online calculators provide different results depending on their own nutrition fact sources and algorithms. To obtain the most accurate nutritional information in a given recipe, you should calculate the nutritional information with the actual ingredients used in your recipe, using your preferred nutrition calculator.
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Jenn,
I made the exact recipe (doubled it), used stew meat vs lamb. It’s quite brothy, not quite as thick as I thought it would be. If I wanted to thicken it up, what would you suggest I use and how much? This is for a dinner party tomorrow night…
Thanks,
Pam
Hi Pam, The fact that you doubled it would account for it being a bit thinner right now. Just simmer it, uncovered, until it gets to your desired thickness. Hope everyone enjoys!
Is it possible to substitute another type of beer or just add more beef broth?
Hi Janet, yes, you can use whatever beer you have on hand, or replace it with additional beef broth. Enjoy!
Hi Jen, I used leg of lamb because shoulder wasn’t available and the meat just melted in your mouth, yummy! Would use again! Other than that I followed your recipe to a tee. But it was a bit bitter? Is this normal? Is this from the beer?
Thanks!
Glad it came out well with the leg of lamb! It shouldn’t be overly bitter, but beer does add some bitterness. If you make this again, I’d try using a milder beer.
Why do you say to add the potatoes after defrosting in this recipe when you say the beef stew with carrots and potatoes , also with Yukon Gold, can be frozen with the potatoes.
What recipe should I follow?
Thanks, Susan
Hi Susan, this recipe is quite old and I believe I developed it before the beef stew recipe. After determining I was able to freeze the beef stew with the potatoes and have it reheat well, I forgot to update this to make them align. I’ve updated the freezer friendly instructions to indicate that the entire stew can be frozen. Hope that clarifies!
Thanks so much.
I love to make your stews in advance. They are the best !
We just enjoyed this for Easter. Thank you!
I did add a bit of thickener, but otherwise followed directions exactly.
Delicious! We three loved it!
Allain
I was having a hard time finding lamb shoulder so I used a round bone lamb chop and a 1 lb package of lamb neck (bone in). Also, because I live alone I typically adjust the ingredient proportions to make one serving for dinner and one for leftovers. And I thickened with a cornstarch slurry. It turned out wonderful and I wouldn’t change a thing next time I make it unless I can find some fresh lamb shoulder. For the leftovers I served the stew over orzo and definitely yum!
I did this with beef as I had some, and braised it in the oven for the first 2 hours, like your beef stew recipe. After that, I was baking some cheesy bread so I added the vegetables and finished it off on the stovetop. It was great, and I think we preferred it to your beef stew that I have been making for years. I will have to try it with lamb.
Also, a can of beer is a lot cheaper and more convenient than a bottle of wine, although I don’t mind drinking up the leftover wine with supper!
Thanks for another family favourite.
The second time I made this I simmered it for about 20 minutes after adding the veggies, to thicken it up a little bit, which I liked. I thought I’d mention that as I noticed people adding cornstarch, etc in the reviews.
I honestly can’t imagine what I would do without Jen’s recipes. I make on average about 3 a week and can’t wait to make this for a festive St. Paddy’s Day dinner tomorrow. I scored the last 3lb boneless lamb shoulder from our great neighborhood butcher today and they make their own veal stock too, so we’re all set!