Slow-Cooked Wattleseed and Macadamia Nut Lamb Shoulder

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

A tender lamb shoulder slow-cooked with aromatic wattleseed and crunchy macadamia nuts, inspired by Australia's native flavors. This australian-inspired slow cooker ready in about 215 minutes pairs lamb shoulder, bone-in, wattleseed, ground, macadamia nuts, chopped for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 550 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: 195 min Serves 6 Australian cuisine 550 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 300°F. Rub 3 lbs lamb shoulder all over with 3 tbsp olive oil, 2 tsp ground wattleseed, 2 tsp salt, 1 tsp black pepper, and 4 minced garlic cloves.
  2. Step 2: Place lamb in a roasting pan, tuck 3 fresh rosemary sprigs around it, and pour 1 cup beef broth and 1/2 cup red wine into the base of the pan.
  3. Step 3: Cover tightly with foil and slow roast in the oven for 3 hours until the lamb is very tender and pulls apart easily.
  4. Step 4: Remove lamb from oven, uncover, and sprinkle 1/2 cup chopped macadamia nuts evenly over the top. Return to oven uncovered for 15 minutes to toast the nuts and crisp the surface.
  5. Step 5: Rest lamb for 10 minutes before slicing or shredding. Serve with pan juices spooned over.

Equipment for this recipe

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Frequently asked questions

How long does Slow-Cooked Wattleseed and Macadamia Nut Lamb Shoulder take to make?

Total time is about 215 minutes (20 min prep + 195 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-Cooked Wattleseed and Macadamia Nut Lamb Shoulder?

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, bone-in from drying out.

Can I substitute ingredients in Slow-Cooked Wattleseed and Macadamia Nut Lamb Shoulder?

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-Cooked Wattleseed and Macadamia Nut Lamb Shoulder 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-Cooked Wattleseed and Macadamia Nut Lamb Shoulder?

Australian slow cooker 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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