In a large saucepan, heat oil over medium heat. Brown beef on all sides; drain. Stir in broth, water, barley, salt and pepper. Bring to a boil. Reduce heat; cover and simmer for 1 hour. , Add carrots, celery, onion and parsley; cover and simmer until meat and vegetables are tender, 30-40 minutes. Stir in peas; heat through.