Slow-Roasted Lamb with Wattleseed and Rosemary

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Tender lamb shoulder slow-roasted with fragrant Australian wattleseed and fresh rosemary for a rich, earthy flavor. This australian-inspired lamb ready in about 255 minutes pairs lamb shoulder, olive oil, salt for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 480 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.

Prep: 15 min Cook: 240 min Serves 6 Australian cuisine 480 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 300°F (150°C). Rub 3 lbs lamb shoulder all over with 2 tbsp olive oil, 2 tsp salt, 1 tsp black pepper, and 2 tsp ground wattleseed until evenly coated.
  2. Step 2: Place the lamb in a roasting pan and tuck 4 sprigs fresh rosemary and 4 smashed garlic cloves around the meat. Pour 1 cup dry white wine and 1 cup beef broth into the pan.
  3. Step 3: Cover the pan tightly with foil and roast in the oven for 3.5 to 4 hours, basting occasionally with the pan juices, until the lamb is tender and pulls apart easily.
  4. Step 4: Remove the lamb from the oven and let rest for 15 minutes before slicing. Serve drizzled with the pan juices.

Frequently asked questions

How long does Slow-Roasted Lamb with Wattleseed and Rosemary take to make?

Total time is about 255 minutes (15 min prep + 240 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-Roasted Lamb with Wattleseed and Rosemary?

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 lamb shoulder from drying out.

Can I substitute ingredients in Slow-Roasted Lamb with Wattleseed and Rosemary?

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-Roasted Lamb with Wattleseed and Rosemary 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-Roasted Lamb with Wattleseed and Rosemary?

Australian 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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