Slow-Cooked Lamb Ragu Recipe with Pappardelle Pasta

This lamb ragu recipe is the kind of low-and-slow dinner that earns its place in a regular cooking rotation. Lamb shoulder gently braises in a tomato, onion, carrot, and herb sauce until it can be pulled into tender strands. Tossed with broad pappardelle, every ribbon of pasta picks up the deeply savory sauce.

There is no need for fussy technique here. Build flavor by browning the lamb, soften the vegetables in the same pot, then let the oven do the quiet work. The result feels special enough for a relaxed weekend meal, while the leftovers make an excellent next-day lunch.

Why You'll Love This Recipe

• The oven does nearly all the cooking after 25 minutes of hands-on prep.
• Lamb shoulder becomes tender and flavorful without drying out.
• Tomato paste and crushed tomatoes make a rich sauce without alcohol.
• The ragu freezes well, so one cook can cover more than one meal.
• Pappardelle is perfect for catching the shredded lamb and vegetables.

Lamb Ragu Recipe Information

Ingredients

For the ragu:

• 2 pounds (900 g) boneless lamb shoulder, cut into 2-inch pieces
• 1 1/2 teaspoons fine sea salt, divided
• 1 teaspoon black pepper
• 2 tablespoons olive oil
• 1 large yellow onion, finely diced
• 2 medium carrots, finely diced
• 2 celery ribs, finely diced
• 4 garlic cloves, minced
• 3 tablespoons tomato paste
• 1 teaspoon ground cumin
• 1 teaspoon sweet paprika
• 1/2 teaspoon dried oregano
• 1/4 teaspoon crushed red pepper flakes, optional
• 1 can (28 ounces / 800 g) crushed tomatoes
• 2 cups low-sodium beef or lamb stock
• 2 bay leaves
• 2 rosemary sprigs

To finish and serve:

• 16 ounces (450 g) dried pappardelle
• 1/2 cup finely grated Parmesan-style hard cheese, plus more to serve
• 2 tablespoons chopped flat-leaf parsley
• 1 tablespoon fresh lemon juice

Step-by-Step Instructions

1. Season and brown the lamb

Set an oven rack in the lower-middle position and heat the oven to 325°F (165°C). Pat the lamb dry, then season it with 1 teaspoon of the salt and all the pepper. Heat the olive oil in a large Dutch oven over medium-high heat. Brown the lamb in two batches, leaving space between the pieces, for 6 to 8 minutes per batch. Turn the pieces so several sides take on a deep brown crust. Transfer the browned lamb to a plate.

2. Cook the aromatic vegetables

Lower the heat to medium. Add the onion, carrots, celery, and remaining 1/2 teaspoon salt to the pot. Cook for 8 to 10 minutes, stirring often, until soft and lightly golden. Add the garlic, tomato paste, cumin, paprika, oregano, and red pepper flakes. Stir for 1 minute; the tomato paste should darken slightly and smell sweet rather than raw.

3. Build the braising sauce

Pour in the crushed tomatoes and stock, scraping the bottom of the pot with a wooden spoon to release the browned bits. Add the bay leaves and rosemary. Return the lamb and any juices to the pot. The meat should be mostly covered; add a little water or stock if needed. Bring the sauce just to a simmer.

4. Slowly cook the lamb ragu

Cover the Dutch oven with a tight-fitting lid and transfer it to the oven. Cook for 2 hours 45 minutes. Remove the pot carefully, uncover, and test a piece of lamb with two forks. It should pull apart with little resistance. If it does not, cover and return it to the oven for 20 to 30 minutes more.

When the lamb is tender, move it to a board or shallow bowl. Skim any visible excess fat from the surface of the sauce if you prefer. Simmer the uncovered sauce on the stovetop over medium heat for 10 to 15 minutes until it is thick enough to coat a spoon.

5. Shred, rest, and toss

Shred the lamb with two forks, discarding any large pieces of fat, and return it to the sauce. Let the ragu stand off the heat for 10 minutes so the flavors settle. Meanwhile, boil the pappardelle in well-salted water until just shy of al dente. Reserve 1 cup of pasta water, then drain.

Fold the pasta, cheese, parsley, and lemon juice into the ragu. Add splashes of pasta water until the sauce clings to the noodles in a glossy layer. Taste and adjust the seasoning before serving.

Tips for Best Results

Brown the lamb in batches. Crowding the pot makes the meat steam, and the browned layer is where much of the finished sauce's depth begins. Keep the vegetables finely diced so they melt into the sauce as it cooks.

Use a cut from the shoulder or leg that has some connective tissue. Very lean lamb will not give the same silky texture. For food safety and tenderness, cook the lamb until the thickest pieces reach at least 71°C / 160°F and pull apart easily. An instant-read thermometer is more reliable than timing alone.

Finish the pasta in the sauce rather than spooning sauce over a dry bowl of noodles. The reserved pasta water helps the lamb ragu recipe emulsify into a sauce that coats every strand.

Ingredient Substitutions

If pappardelle is unavailable, use tagliatelle, fettuccine, rigatoni, or polenta. Gluten-free pasta works too; cook it separately and toss it gently so it does not break.

You can swap rosemary for thyme, or use 1 teaspoon dried rosemary in place of the fresh sprigs. For a milder sauce, omit the red pepper flakes. A firm, finely grated hard cheese can replace the Parmesan-style cheese. Avoid substituting the lamb with very lean cuts, since the long cook depends on the shoulder's richness.

What to Serve With

This lamb ragu recipe is hearty enough to be the center of the table. Pair it with a peppery arugula salad dressed simply with lemon and olive oil, roasted green beans, or sautéed broccolini. A crusty loaf is useful for catching the final spoonfuls of sauce.

For another dinner built around slow-cooked lamb, try lamb shoulder recipes. Round out the table with Greek lamb recipes, or browse more lamb recipes for future meal ideas.

Storage Instructions

Cool the ragu promptly, then refrigerate it in a covered container for up to 4 days. For the best texture, store the sauce separately from the pasta. Freeze cooled ragu in portioned airtight containers for up to 3 months. Thaw overnight in the refrigerator before reheating.

Do not leave the ragu at room temperature for more than 2 hours. If you are packing leftovers for lunch, keep them chilled until reheating.

Reheating Instructions

Warm the ragu in a covered saucepan over medium-low heat, stirring occasionally, until steaming hot throughout. Add a splash of stock or water if the sauce has thickened in the refrigerator. Reheat individual portions in the microwave at 70% power in 1-minute intervals, stirring between intervals. Reheat leftovers to 74°C / 165°F before serving.

Frequently Asked Questions

Can I make lamb ragu recipe in a slow cooker?

Yes. Brown the lamb and cook the vegetables as directed, then transfer everything through the braising step to a slow cooker. Cook on low for 7 to 8 hours or on high for 4 to 5 hours, until the lamb shreds easily. Reduce the sauce in a saucepan after shredding if it seems thin.

Can I make it ahead?

Absolutely. The flavor improves after a night in the refrigerator. Cool the sauce, refrigerate it, then reheat gently and cook fresh pasta when you are ready to serve.

Why is my sauce too thin?

Simmer it uncovered after the lamb is tender. The uncovered heat evaporates excess liquid without overcooking the meat. Stir occasionally and wait until the sauce coats a spoon before tossing with pasta.

Are the nutrition figures exact?

They are per-serving estimates based on the listed ingredients, six servings, and a modest amount of sauce fat retained after cooking. The exact result varies with the lamb's trim level, the stock, and the cheese used.

Conclusion

This lamb ragu recipe turns a well-marbled shoulder into a generous, comforting pasta dinner with very little active work. Brown the meat well, give the sauce time to gently cook, and finish the noodles in the pot for the most flavorful result. Save any extra ragu for an easy meal later in the week, and explore slow-cooker lamb recipes when you want another make-ahead option.