Brown the Beef:
Heat 1 tbsp oil in a Dutch oven. Add beef and brown on all sides. Remove and set aside.
Sauté Vegetables:
Add remaining oil, onion, carrots, celery, and garlic. Sauté until soft.
Deglaze:
Stir in tomato paste, then deglaze with a splash of broth or red wine, scraping up brown bits.
Simmer the Soup:
Return beef to pot, add broth, barley, thyme, and bay leaves. Bring to a boil, reduce heat, and simmer for 1½–2 hours.
Season and Serve:
Stir in Worcestershire, season to taste, and remove bay leaves. Serve hot with bread.