Homemade Beef Barley Soup

Name: Homemade Beef Barley Soup
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 1 tablespoon olive oil; 1 onion (chopped); 1 garlic clove (minced); 2 carrots (sliced); 1 stalk celery (sliced); 2 cups cooked beef; 6 cups reduced sodium beef broth; 1 can petite diced tomatoes (14-15 oz, undrained); ½ green pepper (diced); ⅔ cup barley; 1 tablespoon Worcestershire sauce; ¼ teaspoon dried thyme; 1 package beef gravy mix; 1 bay leaf; 2 tablespoons red wine (optional); 2 tablespoons fresh parsley (or 2 teaspoons dried); salt & pepper to taste