Slow-Cooked Lamb Shank with Rosemary and Garlic Mash
Tender Australian lamb shanks slow-cooked in a rich red wine and rosemary sauce, served with creamy garlic mashed potatoes for a comforting meal. This australian-inspired lamb ready in about 215 minutes pairs (about 1.5 lbs each) lamb shanks, olive oil, large, diced onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 680 calories and feeds 4, 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
- 4 pieces (about 1.5 lbs each) lamb shanks
- 2 tbsp olive oil
- 1 large, diced onion
- 2 medium, sliced carrots
- 2, chopped celery stalks
- 6, minced garlic cloves
- 3 sprigs fresh rosemary sprigs
- 1 cup dry red wine
- 3 cups beef or lamb stock
- 2 tbsp tomato paste
- 1 1/2 tsp salt
- 1 tsp black pepper
- 2 lbs, peeled and quartered potatoes
- 4 tbsp butter
- 1/2 cup milk
- 3, minced garlic cloves for mash
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Instructions
- Step 1: Preheat oven to 325°F. Heat 2 tbsp olive oil in a large oven-safe pot over medium-high heat. Season 4 lamb shanks with 1 1/2 tsp salt and 1 tsp black pepper, then brown them on all sides for 8-10 minutes until deep golden; remove and set aside.
- Step 2: In the same pot, add 1 large diced onion, 2 sliced carrots, 2 chopped celery stalks, and 6 minced garlic cloves; sauté for 5-6 minutes until softened and fragrant.
- Step 3: Stir in 2 tbsp tomato paste and cook for 1 minute. Pour in 1 cup dry red wine and simmer for 3-4 minutes to reduce slightly.
- Step 4: Return lamb shanks to the pot, add 3 cups beef or lamb stock, and 3 sprigs fresh rosemary. Bring to a simmer, cover with a lid, and transfer to the oven. Cook for 3 hours until lamb is tender and falling off the bone.
- Step 5: While lamb cooks, boil 2 lbs peeled and quartered potatoes in salted water for 20 minutes until tender. Drain and mash with 4 tbsp butter, 1/2 cup milk, and 3 minced garlic cloves until smooth and creamy.
- Step 6: Remove lamb from oven, discard rosemary sprigs, and serve lamb shanks over garlic mash, spooning the rich sauce over the top.
Frequently asked questions
How long does Slow-Cooked Lamb Shank with Rosemary and Garlic Mash take to make?
Total time is about 215 minutes (25 min prep + 190 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 Lamb Shank with Rosemary and Garlic Mash?
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 olive oil from drying out.
Can I substitute ingredients in Slow-Cooked Lamb Shank with Rosemary and Garlic Mash?
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 Lamb Shank with Rosemary and Garlic Mash for a different number of people?
The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Lamb Shank with Rosemary and Garlic Mash?
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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