French Herb-Roasted Lamb Shoulder with Garlic and Thyme

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Slow-roasted lamb shoulder infused with garlic, fresh thyme, and rosemary creates a tender and aromatic centerpiece perfect for a special occasion. This french-inspired lamb ready in about 235 minutes pairs bone-in lamb shoulder, sliced fresh garlic cloves, fresh rosemary sprigs for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 650 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 25 min Cook: 210 min Serves 6 French cuisine 650 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 325°F. Using a sharp knife, make 12 small incisions all over 4 lbs bone-in lamb shoulder and insert 6 sliced fresh garlic cloves and small sprigs from 3 fresh rosemary and 4 fresh thyme sprigs.
  2. Step 2: Rub 3 tbsp olive oil evenly over the lamb, then season with 2 tsp kosher salt and 1 tsp black pepper.
  3. Step 3: Place lamb in a roasting pan surrounded by 3 chopped carrots, 1 large quartered yellow onion, and 2 celery stalks cut into pieces. Pour 1 cup dry white wine into the pan.
  4. Step 4: Roast uncovered for 3 to 3.5 hours, basting every 45 minutes with pan juices, until the lamb is tender and an internal temperature of 190°F is reached.
  5. Step 5: Remove lamb from oven and let rest for 20 minutes before slicing. Serve with the roasted vegetables and pan jus.

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Frequently asked questions

How long does French Herb-Roasted Lamb Shoulder with Garlic and Thyme take to make?

Total time is about 235 minutes (25 min prep + 210 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover French Herb-Roasted Lamb Shoulder with Garlic and Thyme?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep bone-in lamb shoulder from drying out.

Can I substitute ingredients in French Herb-Roasted Lamb Shoulder with Garlic and Thyme?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale French Herb-Roasted Lamb Shoulder with Garlic and Thyme for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with French Herb-Roasted Lamb Shoulder with Garlic and Thyme?

French lamb like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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