Ingredients
Method
- Heat oven to 425°F. Make small slits in lamb; insert garlic. Rub with oil, rosemary, lemon zest, salt and pepper.
- Place fat-side up on a rack in a roasting pan. Roast 20 minutes; reduce oven to 325°F.
- Roast 70–90 minutes more, checking early, until the thickest part reaches 145°F without touching bone.
- Rest 15 minutes before carving across the grain.