Overview
Lamb leg is a prized cut with rich, distinctive flavor that pairs beautifully with bold Mediterranean and Middle Eastern seasonings. Sous vide transforms this traditionally tricky roast into a foolproof masterpiece with consistent edge-to-edge doneness. Whether you prefer medium-rare pink or fully cooked through, precise temperature control delivers tender, juicy results every time.
Core Time & Temperature
| Doneness | Temperature | Time | Max Time |
|---|---|---|---|
| Medium-Rare | 130°–135°F | 6–8 h | 12 h |
| Medium | 140°–145°F | 6–8 h | 12 h |
Cooking time depends on thickness, not weight. Measure at the thickest part.
Food Safety Notes
For lamb cooked below 145°F / 63°C, pasteurization occurs through sustained heat over time. Cooking at 130°–145°F for 4+ hours achieves pasteurization. Always sear the exterior to eliminate surface pathogens. Always sear the exterior in a ripping-hot pan or grill to eliminate surface pathogens. Serve immediately.
See our food safety guide.
Texture Profiles
- 130°–135°FMedium-Rare
- Rosy pink center with maximum tenderness and rich lamb flavor. This is the sweet spot for lamb leg - tender, juicy, and full of character without being gamey.
- 140°–145°FMedium
- Warm pink center with slightly firmer texture. Still tender and juicy, but more cooked through for those who prefer lamb less rare.
Prep & Bagging
- Trim excess fat and silver skin from lamb leg (Leave a thin fat cap for flavor)
- If boneless, butterfly to even thickness (About 2 inches thick for even cooking)
- Make small slits all over the meat (Insert garlic slivers into slits)
- Rub with olive oil, lemon zest, herbs, salt, and pepper (Fresh oregano, rosemary, and thyme are traditional)
- Optional marinate for 2–4 h in refrigerator (Longer marination = deeper flavor)
- Vacuum seal or use zip-top bag with water displacement (For large legs, may need to cut in half)
- Ensure lamb is fully submerged in water bath
Finishing & Searing
- Remove lamb from bag and pat completely dry
- Heat large cast iron skillet or roasting pan over high heat
- Add 2–3 tbsp olive oil
- Sear lamb on all sides for 1–2 min per side
- Alternative finishing method - broiler or grill
- Transfer to cutting board and rest 10 min
- Carve against the grain into 1/2-inch slices
- Garnish with fresh herbs and lemon wedges
- Serve immediately