Herb Crusted Leg of Lamb

You must have a good lamb recipe AND this is it.

ingredients

1
Let lamb stand at room temperature for one hour. Heat oven to 325 deg. Remove all but a thin layer of fat; Rub lamb with 1 tablespoon oil; sprinkle with 1 teaspoon salt and 1/4 teaspoon pepper. Place on rack in heavy roasting pan.
2
Meanwhile, rub head of garlic with 1/4 teaspoon oil; wrap loosely in foil. Bake until garlic is very soft, about 1 hour. Let cool.
3
Cut off top of garlic head; squeeze roasted galic into bowl. Using fork, mash garlic to a paste. Add olive oil, lemon juice, oregano, parsley, and remaining 1/4 teaspoon salt and 1/4 teaspoon pepper. Mix well.
4
Rotate pan after lamb has roasted 1 1/4 hours. After 30 minutes more, slather lamb with roasted garlic paste. Roast an additional hour (total roasting time of about 2 3/4 hours)or until an instant read thermometer inserted at thickest part reads 160 deg. Remove from oven and let rest 20 minutes.
5
Transfer lamb to a carving board; pour off fat from roasting pan. place pan over medium heat. Add enough water to corn starch to make a liquidy paste. Add to the pan and stir constantly; Add 1-2 teaspoons gravy master; add salt & pepper to taste.