Leg of Lamb Cooking Time Calculator
Leg of lamb is a classic roast for Easter and special occasions. Bone-in adds extra flavor.
Enter the weight of your leg of lamb
Estimated Cooking Time
4h 10m
(250 minutes total)
160°F
20 min
USDA Safe Temperature: The USDA recommends cooking lamb to an internal temperature of at least 160°F for food safety. Always use a meat thermometer to verify.
Cooking Tips for Leg of Lamb
- 1Stud with garlic and rosemary before roasting
- 2Let come to room temperature for 2 hours
- 3Roast on a bed of vegetables
- 4Rest for 20 minutes before carving
Frequently Asked Questions
How long to cook leg of lamb per pound?
Leg of Lamb takes approximately 18 minutes per pound at 325°F for medium-rare. Use our calculator above for exact timing based on your specific weight and desired doneness.
What temperature should leg of lamb be cooked to?
Leg of Lamb can be cooked to various temperatures: rare (125°F), medium-rare (130°F), medium (140°F), or well-done (160°F). Most chefs recommend medium-rare for the best flavor and texture.
How long should leg of lamb rest after cooking?
Let leg of lamb rest for 20 minutes after removing from the oven. This allows juices to redistribute throughout the meat.
Last updated: December 2025