Herb-Roasted Lamb with Garlic Yogurt Sauce

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

Tender lamb roasted with a fragrant blend of Mediterranean herbs, served alongside a cool garlic-infused yogurt sauce. This mediterranean-inspired lamb ready in about 95 minutes blends boneless lamb leg, olive oil, chopped fresh rosemary into a versatile sauce that lifts everything from grain bowls and roasted vegetables to grilled proteins — a small-batch staple worth keeping in the fridge. Each serving lands at about 450 calories and feeds 6, so a small batch covers several meals across the week without taking over the fridge. 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: 15 min Cook: 80 min Serves 6 Mediterranean cuisine 450 cal/serving
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Ingredients

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Instructions

  1. Step 1: Preheat oven to 375°F. In a small bowl, combine 3 tbsp olive oil, 2 tbsp chopped fresh rosemary, 1 tbsp chopped fresh thyme, 4 minced garlic cloves, 1 tsp lemon zest, 1 tbsp salt, and 1 tsp black pepper to create a herb rub.
  2. Step 2: Rub the herb mixture evenly over a 3 lb boneless lamb leg. Place lamb on a roasting pan and roast in the preheated oven for 1 hour 20 minutes, or until internal temperature reaches 135°F for medium-rare.
  3. Step 3: While lamb roasts, mix 1 cup Greek yogurt, 2 tbsp lemon juice, 4 minced garlic cloves (reserve for lamb rub), and 1 tbsp chopped fresh dill in a bowl. Chill until ready to serve.
  4. Step 4: Remove lamb from oven, tent with foil, and rest for 15 minutes before slicing. Serve slices with a generous dollop of garlic yogurt sauce.

Frequently asked questions

How long does Herb-Roasted Lamb with Garlic Yogurt Sauce take to make?

Total time is about 95 minutes (15 min prep + 80 min cook). A small batch typically covers several meals in the week — store as the recipe directs.

How do I store leftover Herb-Roasted Lamb with Garlic Yogurt Sauce?

Transfer to an airtight jar and refrigerate for up to 5–7 days. Most sauces freeze well for up to 2 months — portion into small containers or freezer bags so you can thaw only what you need. Stir before serving; cream- or yogurt-based sauces may separate on standing.

Can I substitute ingredients in Herb-Roasted Lamb with Garlic Yogurt Sauce?

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 Herb-Roasted Lamb with Garlic Yogurt Sauce 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 Herb-Roasted Lamb with Garlic Yogurt Sauce?

Mediterranean 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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