Slow-Cooked Rosemary Lamb Ragu Pasta

Slow cooked lamb ragu pasta is the kind of dinner that rewards a relaxed afternoon: lamb shoulder browns deeply, rosemary and vegetables build a fragrant base, and a red wine tomato sauce slowly turns the meat fall-apart tender. The finished ragu clings to broad pasta with a glossy, savory richness, while Parmesan adds a salty finish. It is generous enough for a family meal and practical enough to make ahead.

What makes this slow cooked lamb ragu pasta special

Lamb shoulder has enough connective tissue and fat to become succulent during a long, gentle simmer. Browning first gives the sauce a savory foundation, while grated carrot and celery dissolve into the tomato base rather than leaving large vegetable pieces. Fresh rosemary keeps the flavor bright and woodsy. Red wine adds depth, but the sauce stays balanced because it is reduced before the stock and tomatoes are added.

Why the method works

There are three useful flavor-building moments here. First, the lamb is browned in batches so it actually sears instead of steaming. Second, the soffrito is cooked slowly, which softens the vegetables without scorching them. Third, the finished sauce is reduced after the lamb is shredded. That last step concentrates the tomato and stock flavors and gives the pasta a thick sauce that coats every fold.

How to make slow cooked lamb ragu pasta

Season the lamb with salt and pepper. Heat olive oil in a heavy pot and brown the lamb deeply on both sides, working in batches. Set it aside. Lower the heat and cook the onion, celery, carrot, garlic, and chopped rosemary for 7 to 8 minutes until tender. Stir in the tomato paste for 90 seconds, then add the red wine and reduce it by half while scraping the pot.

Build and simmer the ragu

Add the crushed tomatoes, chicken stock, crumbled beef stock cubes, bay leaves, rosemary sprigs, salt, and pepper. Return the lamb and any juices to the pot and bring everything to a gentle simmer. Cover and cook on low for about 2 hours, or until the lamb pulls apart easily with a fork. Keep the simmer gentle; a hard boil can make the meat tighten.

Shred the lamb and finish the sauce

Move the lamb to a bowl and shred it with two forks, cutting away any long strands. Remove the bay leaves and rosemary stems from the pot. Return the meat to the sauce with the remaining rosemary and simmer uncovered for 30 minutes. Stir occasionally and taste before adding more salt. The sauce should be thick enough to hold to the pasta.

Cook the pasta and serve

Boil the pasta in well-salted water until it is one minute shy of tender. Reserve a mugful of the cloudy cooking water before draining. Toss the pasta with 6 to 7 cups of warm ragu over medium-high heat. Add a splash of pasta water if the sauce feels tight. Serve immediately with Parmesan and a little fresh rosemary.

Tips for the best result

Use a broad or ridged pasta shape such as pappardelle, mafaldine, rigatoni, or another shape that catches shredded meat. Do not crowd the pot while browning the lamb. Fresh rosemary is more fragrant than dried, and the final uncovered reduction is worth the extra time. If the sauce is ready before the pasta, keep it covered over very low heat and loosen it with pasta water when tossing.

Optional variation

For an optional variation, replace part of the lamb shoulder with beef chuck for a mixed-meat ragu. Keep the same slow cooking method and check both meats for tenderness before shredding. This changes the character of the sauce, so it is best treated as an alternative rather than a substitution in the primary recipe.

Storage and reheating

Cool leftover ragu promptly and store it in an airtight container in the refrigerator for up to three days. It also freezes well for up to three months. Freeze the sauce separately from the pasta when possible. Reheat gently in a saucepan with a splash of water or stock, then toss with freshly cooked pasta for the best texture.

FAQ: frequently asked questions

Ingredients

• 1.25 kg boneless lamb shoulder — trimmed and cut into three pieces
• 1 tsp kosher salt — divided, plus more to taste
• 0.25 tsp black pepper — divided
• 2 tbsp olive oil — plus more if needed
• 1 medium onion — finely chopped
• 2 sticks celery — grated
• 1 large carrot — peeled and grated
• 3 cloves garlic — finely minced
• 1 tbsp fresh rosemary — finely chopped
• 5 sprigs fresh rosemary — plus 2 sprigs for finishing
• 2 whole bay leaves —
• 0.25 cup tomato paste —
• 1.5 cups red wine —
• 400 g crushed tomatoes —
• 1.5 cups chicken stock — low-sodium
• 2 whole beef stock cubes — crumbled
• 500 g pappardelle or rigatoni —
• 1 tbsp kosher salt — for pasta water
• Parmesan — for serving

Method recap

Season and brown the lamb in olive oil in a heavy pot until deeply golden on both sides; transfer it to a bowl.

Lower the heat and cook the onion, celery, carrot, garlic, and chopped rosemary for 7 to 8 minutes until softened without browning.

Stir in the tomato paste for about 90 seconds, then add the red wine and simmer until reduced by half, scraping up browned bits.

Add tomatoes, stock, stock cubes, bay leaves, rosemary sprigs, salt, and pepper. Return the lamb and simmer gently, covered, for about 2 hours until tender.

Remove the lamb and shred it with two forks while the sauce simmers uncovered. Discard the bay leaves and rosemary stems.

Return the shredded lamb and remaining rosemary to the sauce. Simmer uncovered for 30 minutes until thick and season to taste.

Cook the pasta in salted water until one minute shy of tender. Reserve a mug of pasta water, then drain.

Toss pasta with 6 to 7 cups of warm ragu over medium-high heat, loosening with pasta water if needed. Serve with Parmesan.

Slow-Cooked Rosemary Lamb Ragu Pasta

Tender rosemary lamb slowly simmered in red wine tomato sauce, then tossed with pasta and Parmesan.

Prep: 25 minutes minutes Cook: 3 hours hours 30 minutes minutes Total: 3 hours hours 55 minutes minutes

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Ingredients

  

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Ingredients

• 1.25 kg boneless lamb shoulder trimmed and cut into three pieces
• 1 tsp kosher salt divided, plus more to taste
• 0.25 tsp black pepper divided
• 2 tbsp olive oil plus more if needed
• 1 medium onion finely chopped
• 2 sticks celery grated
• 1 large carrot peeled and grated
• 3 cloves garlic finely minced
• 1 tbsp fresh rosemary finely chopped
• 5 sprigs fresh rosemary plus 2 sprigs for finishing
• 2 whole bay leaves
• 0.25 cup tomato paste
• 1.5 cups red wine
• 400 g crushed tomatoes
• 1.5 cups chicken stock low-sodium
• 2 whole beef stock cubes crumbled
• 500 g pappardelle or rigatoni
• 1 tbsp kosher salt for pasta water
• Parmesan for serving

Instructions

 

Instructions

• Season and brown the lamb in olive oil in a heavy pot until deeply golden on both sides; transfer it to a bowl.
• Lower the heat and cook the onion, celery, carrot, garlic, and chopped rosemary for 7 to 8 minutes until softened without browning.
• Stir in the tomato paste for about 90 seconds, then add the red wine and simmer until reduced by half, scraping up browned bits.
• Add tomatoes, stock, stock cubes, bay leaves, rosemary sprigs, salt, and pepper. Return the lamb and simmer gently, covered, for about 2 hours until tender.
• Remove the lamb and shred it with two forks while the sauce simmers uncovered. Discard the bay leaves and rosemary stems.
• Return the shredded lamb and remaining rosemary to the sauce. Simmer uncovered for 30 minutes until thick and season to taste.
• Cook the pasta in salted water until one minute shy of tender. Reserve a mug of pasta water, then drain.
• Toss pasta with 6 to 7 cups of warm ragu over medium-high heat, loosening with pasta water if needed. Serve with Parmesan.

Notes

Use a pasta shape that catches the shredded lamb and sauce well.

The ragu can yield extra sauce for another serving.