Sheet Pan Herb-Roasted Lamb with Roasted Root Vegetables

By · Reviewed by AislePrompt Editorial · ·

Tender herb-roasted lamb shoulder paired with a medley of caramelized root vegetables, all cooked together on a single sheet pan for an effortless dinner. This mediterranean-inspired lamb ready in about 140 minutes pairs pounds bone-in lamb shoulder, trimmed, olive oil, garlic cloves, minced for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 560 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: 20 min Cook: 120 min Serves 6 Mediterranean cuisine 560 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 375°F. In a small bowl, mix 4 tbsp olive oil, 5 minced garlic cloves, 2 tbsp chopped fresh rosemary, 1 tbsp fresh thyme leaves, 2 tsp salt, and 1 tsp black pepper.
  2. Step 2: Rub this herb and garlic mixture evenly over the entire surface of the 3-pound bone-in lamb shoulder.
  3. Step 3: Arrange the lamb in the center of a large rimmed sheet pan. Surround with 3 peeled and chunked carrots, 3 peeled and chunked parsnips, 1 large red onion cut into wedges, and 1.5 pounds halved baby potatoes. Drizzle vegetables with a little olive oil and toss to coat.
  4. Step 4: Roast in the preheated oven for 1 hour 45 minutes to 2 hours, turning vegetables halfway through, until lamb reaches an internal temperature of 145°F and vegetables are tender and caramelized.
  5. Step 5: Let lamb rest for 15 minutes before slicing. Serve slices alongside the roasted vegetables for a hearty meal.

Equipment for this recipe

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Frequently asked questions

How long does Sheet Pan Herb-Roasted Lamb with Roasted Root Vegetables take to make?

Total time is about 140 minutes (20 min prep + 120 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 Sheet Pan Herb-Roasted Lamb with Roasted Root Vegetables?

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 olive oil from drying out.

Can I substitute ingredients in Sheet Pan Herb-Roasted Lamb with Roasted Root Vegetables?

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 Sheet Pan Herb-Roasted Lamb with Roasted Root Vegetables 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 Sheet Pan Herb-Roasted Lamb with Roasted Root Vegetables?

Mediterranean 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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