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Braised Lamb Shanks With Fish Sauce

These braised lamb shanks with fish sauce offer a sophisticated twist on a classic Sunday roast. By replacing heavy gravies with a fragrant, umami-rich broth, this recipe creates a deeply savoury dish that is surprisingly light. The combination of kaffir lime, garlic, and shallots cuts through the richness of the lamb, while slow-cooking ensures the meat becomes melt-in-the-mouth tender. Finely sliced fennel and sweet carrots soak up the aromatic liquid, providing a nutritious alternative to traditional starchy sides.

This diabetes-friendly dish is an excellent choice for those seeking a heart-healthy, high-protein meal without sacrificing flavour. It is a brilliant option for stress-free entertaining, as the lamb can be prepared up to two days in advance and gently reheated. Serve it in shallow bowls with a generous scattering of fresh coriander and Thai basil for a vibrant, homemade dinner that feels truly special.

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Ingredients for Braised Lamb Shanks With Fish Sauce

  • 12 garlic cloves, 6 smashed, 6 finely chopped

  • 4 (450g) lamb shanks, excess fat and silver skin trimmed

  • 120ml fish sauce, divided

  • plus more for serving (optional)

  • 60ml vegetable oil

  • 5 medium shallots, thinly sliced

  • 2 tablespoons finely chopped coriander stems

  • 6 dried bird chillies

  • 4 kaffir lime leaves or 2 teaspoons finely grated lime zest

  • 2 bay leaves

  • 4 cups homemade chicken stock or low-sodium chicken broth

  • 2 large fennel bulbs, quartered

  • 230g small carrots, scrubbed, or larger carrots, scrubbed, cut into 3-inch pieces

  • 1 cup coriander, Thai or sweet basil, and/or celery leaves, divided

How to make Braised Lamb Shanks With Fish Sauce

Place smashed garlic in a resealable plastic bag along with lamb shanks and 60ml fish sauce. Seal bag, pressing out air. Turn lamb shanks to coat and chill at least 4 hours and up to 1 day.

Let lamb sit at room temperature 1 hour.

Preheat oven to 149°C. Heat oil in a large Dutch oven or other heavy pot over medium-high. Remove lamb shanks from bag and add to pot; discard marinade. Cook shanks, turning occasionally, until browned evenly on all sides, 14–18 minutes. Transfer to a large plate.

Reduce heat to medium and cook shallots, coriander stems, and finely chopped garlic in the same pot, stirring often and scraping up browned bits from the bottom, until shallots are golden, 5–7 minutes. Add chillies, kaffir lime leaves, bay leaves, stock, and 1/4 cup fish sauce, and stir, scraping up any remaining stuck-on bits from bottom of pot. Bring to a simmer, return lamb to pot, and cover. Transfer to oven and braise until meat is pulling away from bones but not quite fork-tender, 50–60 minutes.

Turn shanks and add fennel and carrots to pot, submerging in liquid. Cover and braise until meat is very tender and nearly falling off the bone, 40–50 minutes. Let rest 15–20 minutes before serving.

Serve lamb shanks with fennel and carrots and some braising liquid (for a thicker sauce, simmer the braising liquid until it reduces slightly), topped with coriander, basil, and/or celery leaves, and seasoned with a few more drops of fish sauce if desired.

Lamb and vegetables can be braised 2 days ahead. Let cool; cover and chill. Reheat over low before topping with herbs and more fish sauce.

Disclaimer

While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.

Article history

The information on this page is peer reviewed by qualified clinicians.

  • 16 Jan 2026 | Originally published

    Authored by:

    UK recipe editors

    Peer reviewed by

    UK recipe editors
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