Roast Leg of Lamb with Rosemary and Lavender

Preheat the oven to 450°. In a small bowl, whisk 1/4 cup of the olive oil with the rosemary, lavender and garlic. Season the lamb all over with salt and pepper. Rub half of the herb oil all over the inside of the lamb, then roll up the meat and tie with kitchen string to form a neat roast. Sprea