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Anchovy and Rosemary Roasted Lamb

This anchovy and rosemary roasted lamb offers a sophisticated twist on the traditional Sunday roast. By marinating the meat in a savoury paste of garlic, fresh herbs, and salty anchovies, the lamb develops a deep, Mediterranean-inspired crust that beautifully complements the tender meat. The anchovies melt away during the cooking process, providing a rich umami seasoning rather than a fishy flavour, which enhances the natural sweetness of the lamb.

As a diabetes-friendly option, this recipe focuses on high-quality protein and healthy fats from olive oil, making it a nutritious choice for a family gathering. Serve this roast alongside plenty of steamed seasonal greens and roasted root vegetables for a balanced and comforting meal. Resting the meat is essential here, as it ensures every slice remains juicy and easy to carve.

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Ingredients for Anchovy and Rosemary Roasted Lamb

  • 6 garlic cloves

  • 9 flat anchovy fillets, drained and patted dry

  • 60ml olive oil

  • 40ml chopped fresh rosemary

  • 1 (6- to 7-lb) semiboneless leg of lamb (aitchbone removed), all but a thin layer of fat discarded and lamb tied

  • 2 teaspoons salt

  • 3/4 teaspoons black pepper

  • a 17- by 11-inch roasting pan (or larger) with a rack

  • an instant-read thermometer

How to make Anchovy and Rosemary Roasted Lamb

Mince garlic and anchovies and mash to a paste with a large heavy knife, then stir together with oil and rosemary in a small bowl. Pat lamb dry and transfer, fat side up, to rack in pan. Make several small 1-inch-deep slits in lamb with a paring knife, then rub marinade over entire surface of lamb, pushing some marinade into slits. Marinate lamb, loosely covered, at room temperature 1 hour.

Put oven rack in middle position and preheat oven to 204°C.

Sprinkle lamb all over with salt and pepper, then roast until thermometer inserted into thickest part of lamb (almost to the bone but not touching it) registers 52°C for medium-rare, 1 1/2 to 1 3/4 hours (temperatures in thinner parts of leg may register up to 71°C). Let stand 30 minutes before slicing.

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.

  • 17 Jan 2026 | Originally published

    Authored by:

    UK recipe editors

    Peer reviewed by

    UK recipe editors
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