Slow-Roasted Mutton Leg with Rosemary and Garlic Confit

🌍 Cuisine: British
🏷️ Category: Main Course
⏱️ Prep: 30 minutes
🍳 Cook: 4 hours 30 minutes
👥 Serves: 6-8 servings

📝 About This Recipe

Experience the profound, deep flavors of mature sheep, transformed through a low-and-slow roasting process into a succulent masterpiece. Unlike its younger counterpart, mutton offers a sophisticated gaminess and rich fat content that, when paired with aromatic woody herbs and a red wine deglaze, creates a centerpiece of unparalleled depth. This recipe honors traditional British farmhouse techniques, ensuring the meat becomes fork-tender while retaining its majestic character.

🥗 Ingredients

The Roast

  • 2.5 kg Mutton leg (bone-in, at room temperature)
  • 3 tablespoons Olive oil (extra virgin)
  • 1.5 tablespoons Sea salt (flaky variety preferred)
  • 1 tablespoon Black pepper (freshly cracked)

Aromatics and Rub

  • 8 cloves Garlic (4 minced, 4 halved lengthwise)
  • 4 sprigs Fresh rosemary (leaves stripped and chopped)
  • 6 sprigs Fresh thyme (whole)
  • 3 pieces Anchovy fillets (finely mashed into a paste)
  • 1 tablespoon Lemon juice (freshly squeezed)

The Roasting Bed and Gravy

  • 2 large Carrots (roughly chopped)
  • 2 medium Yellow onions (quartered)
  • 2 pieces Celery stalks (roughly chopped)
  • 250 ml Red wine (full-bodied like Cabernet or Syrah)
  • 500 ml Lamb or Beef stock (high quality)
  • 1 tablespoon Plain flour (for thickening the gravy)

👨‍🍳 Instructions

  1. 1

    Remove the mutton from the refrigerator at least 1 hour before cooking to bring it to room temperature; this ensures even roasting.

  2. 2

    Preheat your oven to 220°C (425°F). This high initial heat will help sear the meat and render the fat.

  3. 3

    In a small bowl, mix the minced garlic, chopped rosemary, mashed anchovies, lemon juice, and 2 tablespoons of olive oil to create a thick paste.

  4. 4

    Using a sharp paring knife, make 8-10 deep incisions (about 2cm deep) all over the mutton leg. Stuff the halved garlic cloves and small tufts of thyme into these slits.

  5. 5

    Rub the prepared herb and anchovy paste all over the meat, then season generously with the sea salt and cracked black pepper.

  6. 6

    Place the chopped carrots, onions, and celery in a large heavy-duty roasting tin to act as a trivet for the meat.

  7. 7

    Place the mutton leg on top of the vegetables and roast in the center of the oven for 20 minutes until the exterior begins to brown.

  8. 8

    Reduce the oven temperature to 150°C (300°F). Pour the red wine into the bottom of the tin (not over the meat) and cover the tin tightly with a double layer of foil.

  9. 9

    Slow roast for 3.5 to 4 hours. Every hour, basting the meat with the juices from the bottom of the pan will keep it incredibly moist.

  10. 10

    Remove the foil for the final 30 minutes of cooking to allow the skin to become crisp and mahogany brown. The internal temperature should reach 75°C (167°F) for a well-done, fall-apart texture.

  11. 11

    Transfer the mutton to a warm platter, cover loosely with foil, and let it rest for at least 30 minutes. This is crucial for the juices to redistribute.

  12. 12

    To make the gravy, place the roasting tin over medium heat on the stove. Whisk in the flour to form a paste with the fat, then gradually whisk in the stock and any resting juices from the meat.

  13. 13

    Simmer the gravy for 5-10 minutes until thickened, then strain through a fine-mesh sieve into a warmed jug, discarding the solids.

  14. 14

    Carve the mutton into thick slices and serve drizzled with the rich red wine gravy.

💡 Chef's Tips

Mutton is tougher than lamb; do not rush the resting period as it allows the muscle fibers to relax significantly. The anchovies won't make the dish taste like fish; they act as a natural flavor enhancer that boosts the 'umami' of the red meat. If the gravy feels too thin, simmer it for longer to reduce; if too salty, add a splash of water or a pinch of sugar to balance. Ensure the foil seal is very tight during the slow-roast phase to prevent the moisture from escaping and drying out the meat.

🍽️ Serving Suggestions

Serve with creamy mashed potatoes or traditional roasted Maris Piper potatoes. Pair with a side of minted mushy peas or buttered seasonal greens like kale or savoy cabbage. A dollop of spicy redcurrant jelly or traditional English mint sauce cuts through the richness of the mutton fat. Accompany with a robust, tannic red wine such as a Bordeaux or an Australian Shiraz.