Slow-Braised Irish Lamb with Root Vegetables

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

Tender lamb slowly braised with traditional Irish root vegetables and aromatic herbs, perfect for a comforting meal. This irish-inspired lamb ready in about 170 minutes pairs bone-in lamb shoulder, carrots, parsnips for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 450 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.

★ 4.4 (9 ratings) Prep: 20 min Cook: 150 min Serves 6 Irish cuisine 450 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 325°F. Rub 2 lbs bone-in lamb shoulder with 1 1/2 tsp salt and 1 tsp black pepper.
  2. Step 2: Heat 2 tbsp olive oil in a large ovenproof pot over medium-high heat. Sear lamb for 4-5 minutes per side until well browned and caramelized.
  3. Step 3: Remove lamb and set aside. In the same pot, add 1 large diced onion and 4 minced garlic cloves, sauté for 3-4 minutes until softened and fragrant.
  4. Step 4: Add 3 medium peeled and cut carrots, 2 medium peeled and cut parsnips, and 4 quartered medium potatoes. Stir for 2 minutes.
  5. Step 5: Return lamb to the pot, nestling it among the vegetables. Pour in 3 cups beef broth and add 3 sprigs fresh thyme and 2 sprigs fresh rosemary.
  6. Step 6: Cover the pot with a lid and transfer to the oven. Braise for 2 1/2 hours until lamb is tender and falls apart easily.
  7. Step 7: Remove lamb and vegetables to a serving platter. Skim fat from the cooking liquid, stir in 2 tbsp butter, and simmer uncovered over medium heat for 5 minutes until slightly thickened.
  8. Step 8: Pour sauce over the lamb and vegetables before serving.

Frequently asked questions

How long does Slow-Braised Irish Lamb with Root Vegetables take to make?

Total time is about 170 minutes (20 min prep + 150 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 Slow-Braised Irish Lamb with 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 bone-in lamb shoulder from drying out.

Can I substitute ingredients in Slow-Braised Irish Lamb with 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 Slow-Braised Irish Lamb with 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 Slow-Braised Irish Lamb with Root Vegetables?

Irish 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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