Leg of Lamb with roasted fennel, onions, and carrots

Name: Leg of Lamb with roasted fennel, onions, and carrots
Total time: 1 h 45 min
Yield: 6 servings
Ingredients: 1 leg of lamb; 1 handful garlic cloves peeled; 3 sprigs fresh rosemary about 4 inches long; 3 tablespoons kosher salt; 2 tablespoons crushed black pepper; olive oil not extra virgin; 2 onions large, peeled, sliced in wedges; 2 fennel medium, sliced or cut into wedges, including stems and fronds; 8 carrots medium, peeled, cut in thirds, and including green tops; 2 teaspoons kosher salt; 1 teaspoon crushed black pepper; olive oil not extra virgin