How Long Does It Take to Cook a Bone-in Leg of Lamb?

By Staff WriterLast Updated Apr 3, 2020 9:16:43 AM ET
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A cooking time of approximately an hour and a half is required for an average-sized leg of lamb cooked medium rare. Depending on weight and intended level of cooking, a bone-in leg of lamb takes between 1 hour 15 minutes, and 3 hours 15 minutes to finish cooking.