In the bowl of a slow cooker, combine the beef stew meat, onion, carrots, celery, garlic, tomato paste, Worcestershire sauce, oregano, basil, paprika, and black pepper.
Pour in the beef broth and stir to combine.
Cover and cook on low for 7-8 hours.
Add in the pearl barley and stir to combine.
Add in the green beans, corn, and peas and stir to combine.
Cover and cook on high for an additional 30 minutes.
Serve the soup garnished with fresh parsley.
Interesting Facts
This soup is a great source of protein, vitamins, and minerals.
Barley is a great source of fiber and is known to have many health benefits.
This soup can be served with a variety of different toppings, such as shredded cheese, croutons, and sour cream.