Slow-Roasted Lamb with Rosemary and Bush Tomato Relish

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

Juicy slow-roasted Australian lamb shoulder paired with a tangy, sweet bush tomato relish that highlights native flavors. This australian-inspired lamb ready in about 210 minutes pairs bone-in lamb shoulder, chopped fresh rosemary, minced garlic cloves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 520 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: 30 min Cook: 180 min Serves 6 Australian cuisine 520 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 300°F. Rub 3 lbs bone-in lamb shoulder with 4 tbsp olive oil, 3 chopped rosemary sprigs, 4 minced garlic cloves, 2 tsp sea salt, and 1 tsp black pepper.
  2. Step 2: Place lamb in a roasting pan and cover loosely with foil. Roast in the oven for 3 hours until tender and falling off the bone.
  3. Step 3: Meanwhile, soak 1/2 cup dried bush tomatoes in 1/4 cup warm water for 20 minutes until softened.
  4. Step 4: In a small saucepan, combine soaked bush tomatoes with 1 finely chopped red onion, 2 tbsp brown sugar, and 3 tbsp apple cider vinegar. Simmer over medium heat for 15 minutes until thickened into a relish.
  5. Step 5: Once lamb is cooked, rest for 15 minutes before slicing. Serve topped with the warm bush tomato relish.

Frequently asked questions

How long does Slow-Roasted Lamb with Rosemary and Bush Tomato Relish take to make?

Total time is about 210 minutes (30 min prep + 180 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 Rosemary and Bush Tomato Relish?

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-Roasted Lamb with Rosemary and Bush Tomato Relish?

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 Rosemary and Bush Tomato Relish 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 Rosemary and Bush Tomato Relish?

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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