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Butterflied Leg of Lamb Cooking Time Calculator

Butterflied leg of lamb cooks faster and is perfect for grilling or high-heat roasting.

Butterflied Leg of Lamb Cooking Calculator
Enter your butterflied leg of lamb details to calculate cooking time

Enter the weight of your butterflied leg of lamb

Estimated Cooking Time

3h 0m

(180 minutes total)

Internal Temp

160°F

Resting Time

15 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 Butterflied Leg of Lamb

  • 1Pound to even thickness
  • 2Marinate overnight for extra flavor
  • 3Grill or roast at high heat
  • 4Rest before slicing

Frequently Asked Questions

How long to cook butterflied leg of lamb per pound?

Butterflied Leg of Lamb takes approximately 12 minutes per pound at 425°F for medium-rare. Use our calculator above for exact timing based on your specific weight and desired doneness.

What temperature should butterflied leg of lamb be cooked to?

Butterflied 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 butterflied leg of lamb rest after cooking?

Let butterflied leg of lamb rest for 15 minutes after removing from the oven. This allows juices to redistribute throughout the meat.

Last updated: December 2025