Slow-Roasted Lamb with Wattleseed and Macadamia Crust
Tender slow-roasted lamb leg encrusted with toasted wattleseed and crushed macadamia nuts for a uniquely Australian flavor and texture combination. This Australian-inspired lamb recipe, ready in about 200 minutes, pairs lamb leg, wattleseed, macadamia nuts 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. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.
Ingredients
- 3 lbs lamb leg
- 2 tbsp, toasted and ground wattleseed
- 1/2 cup, roughly chopped macadamia nuts
- 4, minced garlic cloves
- 2 tbsp, chopped fresh rosemary
- 3 tbsp olive oil
- 2 tsp salt
- 1 tsp black pepper
- 1 tsp lemon zest
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Equipment for this recipe
Tools this recipe's steps call for, with a link to each on Amazon.
Instructions
- Step 1: Preheat the oven to 325°F (160°C). In a small bowl, combine 2 tbsp toasted and ground wattleseed, 1/2 cup roughly chopped macadamia nuts, 4 minced garlic cloves, 2 tbsp chopped fresh rosemary, 1 tsp lemon zest, 2 tsp salt, and 1 tsp black pepper.
- Step 2: Pat dry the 3 lb lamb leg and rub it all over with 3 tbsp olive oil, then press the wattleseed and macadamia crust mixture firmly onto the surface of the lamb.
- Step 3: Place the lamb on a roasting rack in a roasting pan and cook in the oven for 2.5 to 3 hours, or until the internal temperature reaches 135°F (57°C) for medium-rare. Baste occasionally with pan juices.
- Step 4: Remove the lamb from the oven and cover loosely with foil. Let it rest for 15 minutes before slicing thinly against the grain for serving.









