How to Make Roast Leg of Lamb with Rosemary

Introduction

For many families, Christmas dinner means lamb. A roast leg of lamb is festive, flavorful, and surprisingly forgiving to cook. Rubbed with a pungent mix of garlic, lemon, and fresh rosemary, the meat roasts to a tender pink perfection that pairs beautifully with red wine and roasted potatoes.

Why You’ll Love This Recipe

  • Alternative to Ham/Beef: Offers a distinct, sophisticated flavor.
  • Incredibly Aromatic: The rosemary and garlic smell amazing while roasting.
  • Tender & Juicy: Leg of lamb is naturally tender if not overcooked.
  • Simple Preparation: It’s mostly hands-off oven time.
  • Excellent Leftovers: Great for gyros or sandwiches the next day.

Ingredients

  • 1 (4-5 lb) semi-boneless leg of lamb
  • 6 cloves garlic, slivered
  • 1/4 cup olive oil
  • 2 tablespoons fresh rosemary, chopped
  • 1 tablespoon lemon zest
  • Salt and black pepper

Instructions

  1. Take lamb out of fridge 1 hour before cooking.
  2. Preheat oven to 425°F (220°C).
  3. Use a small knife to poke 1-inch slits all over the lamb. Stuff garlic slivers into the slits.
  4. Rub lamb with oil, rosemary, lemon zest, salt, and pepper.
  5. Roast at 425°F for 15 minutes.
  6. Reduce heat to 325°F (165°C). Roast for another 1 – 1.5 hours until internal temp is 135°F (medium-rare).
  7. Rest for 20 minutes before carving.

Tips

Do not cook lamb past medium (145°F) or it can become gamey and tough. The “slits and garlic” technique infuses the flavor deep into the muscle.

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