Roasted Leg of Lamb (Bone In)

READY IN: 1hr 15mins




  • Preheat oven to 450°F.
  • Mix rosemary, salt, and pepper in small dish.
  • Rub half of spice mixture over larger end of leg of lamb.
  • Slice 2 large garlic cloves into about 15 to 20 slivers and mix with remaining spices in bowl.
  • Cut 15 to 20 small slits in leg of lamb and place spiced garlic cloves into the slits.
  • Rub 3 tablespoons olive oil over the surface of the leg of lamb.
  • Place on rack in center of roasting pan and place in preheated oven.
  • Cook for 15 minutes at 450°F and then lower heat to 350°F for rest of cooking time of 1 1/4 hours (or, alternatively, lower heat immediately and cook at 325°F for adjusted cooking time).
  • Remove from oven and test with instant read thermometer inserted into thickest part of leg; consider lamb done at 130-140°F (temperature will rise about 5 degrees out of oven).
  • Cover with aluminum foil and let rest 10-15 minutes.
  • Slice into thin slices and serve.