Beef and Barley Soup

Name: Beef and Barley Soup
Prep time: 10 min
Cook time: 1 h 30 min
Total time: 1 h 40 min
Cuisine: European, Greek, American, African, Mediterranean, Moroccan, Southern
Ingredients: 1.5 pounds Beef (Top Round); 3 liters Beef broth; 1 Onion (Large); 2 Carrots; 1 Celery stalk; 1 cup Barley; 2 tablespoons Flour; 1 Bay leaf (optional); 4 Sprigs of Thyme (optional); 4 Parsley stems (optional)