Irish Beef Stew

Name: Irish Beef Stew
Ingredients: 1/4 cup vegetable oil; 1 1/4 pounds stew beef, cut into 1-inch pieces; 6 large garlic cloves, minced; 8 cups beef stock or canned beef broth; 2 tablespoons tomato paste; 1 tablespoon sugar; 1 tablespoon dried thyme; 1 tablespoon Worcestershire sauce; 2 bay leaves; 2 tablespoons (1/4 stick) butter; 3 pounds russet potatoes, peeled, cut into 1/2-inch pieces (about 7 cups); 1 large onion, chopped; 2 cups 1/2-inch pieces peeled carrots; 2 tablespoons chopped fresh parsley