Classic Shepherd's Pie with Lamb and Root Vegetables

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

A traditional Australian shepherd’s pie featuring minced lamb slow-cooked with vegetables, topped with creamy mashed potatoes baked to golden perfection. This australian-inspired lamb ready in about 70 minutes layers ground lamb, medium, peeled and diced carrot, large, finely chopped onion into a dessert worth slowing down for — great for weekend baking, holiday tables, or any time you want a sweet payoff at the end of a meal. Each serving lands at about 550 calories and feeds 4, so it slots into a weekend bake or a special-occasion dessert tray. 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: 50 min Serves 4 Australian cuisine 550 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat the oven to 400°F (200°C). Boil 700 g peeled and quartered potatoes in salted water for 15-20 minutes until tender.
  2. Step 2: While potatoes cook, heat 2 tbsp olive oil in a large skillet over medium-high heat. Add 1 large finely chopped onion, 2 diced carrots, and 2 diced celery stalks. Sauté for 5 minutes until softened.
  3. Step 3: Add 2 minced garlic cloves and 500 g ground lamb to the skillet. Cook, breaking up the meat, for 7-8 minutes until browned.
  4. Step 4: Stir in 2 tbsp tomato paste, 300 ml beef stock, and 1 tbsp Worcestershire sauce. Simmer for 15 minutes until sauce thickens. Add 100 g frozen peas and cook for 2 more minutes. Season with 1 tsp salt and 1/2 tsp black pepper.
  5. Step 5: Drain potatoes and mash with 50 g butter and 100 ml milk until smooth and creamy.
  6. Step 6: Transfer the lamb mixture to a baking dish, spread the mashed potatoes evenly on top, and smooth with a spatula. Bake for 20 minutes until the potato topping is golden and edges are bubbling.

Equipment for this recipe

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Frequently asked questions

How long does Classic Shepherd's Pie with Lamb and Root Vegetables take to make?

Total time is about 70 minutes (20 min prep + 50 min cook). Most home bakers find this fits a weekend afternoon; chill or store as the recipe directs before serving.

How do I store leftover Classic Shepherd's Pie with Lamb and Root Vegetables?

Cool fully before storing. Most baked desserts keep at room temperature in an airtight container for 2–3 days, or in the fridge for up to 5 days. Cream- or custard-based desserts must go in the fridge within 2 hours; reheat gently or serve cold per the recipe.

Can I substitute ingredients in Classic Shepherd's Pie with Lamb and Root Vegetables?

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 Classic Shepherd's Pie with Lamb and Root Vegetables 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 Classic Shepherd's Pie with Lamb and Root Vegetables?

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.