beef barley soup recipe

Ingredients:** - 500g beef stew meat, cut into small pieces - 1 cup pearl barley - 2 tablespoons olive oil - 1 onion, chopped - 3 garlic cloves, minced - 3 carrots, chopped - 3 celery stalks, chopped - 2 potatoes, diced - 8 cups beef broth - 1 can (400g) diced tomatoes - 2 bay leaves - Salt and pepper to taste - Fresh parsley, chopped (for garnish)