ROAST LEG OF LAMB WITH BONE

 roast the lamb at 400F for 1 hour 15 minutes for medium rare and 1 hour 30 minutes for well done. These timings work for the specific weight given in this recipe Test the doneness of the meat by using a meat thermometer.

OR

• 2.5kg (A bit over 5 lbs) leg of lamb cooking time:
• First brown: 20 mins (at 220°C), then cook: 1 hrs 40 mins (at 180°C), then rest: 30 mins (in a warm place)
• 1.8kg leg of lamb cooking time:
• First brown: 20 mins (at 220°C), then cook: 1 hrs 12 mins (at 180°C), then rest: 30 mins (in a warm place)
• 1.4kg leg of lamb cooking time:
• First brown: 20 mins (at 220°C), then cook: 56 mins (at 180°C), then rest: 30 mins (in a warm place)
• 1kg leg of lamb cooking time:
• First brown: 20 mins (at 220°C), then cook: 40 mins (at 180°C), then rest: 30 mins (in a warm place)
• Half leg of lamb cooking time: depending on the size and weight of the half leg.
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I had a 5 lb leg with bone.  Stuck it with garlic cloves and covered in olive oil and then black pepper.  

Oven at 435 for 40 minutes

Down to 355 for about an hour or so.  It turned out fine, but I find the boneless easier to cook.