Sunday Herbed Pot Roast Soup

Ingredients

• 1 small onion, diced
• 1 tablespoon olive oil
• 3 medium potatoes, cubed
• 2 large carrots, chopped
• 1/2 pound sliced fresh mushrooms
• 3 cans (14-1/2 ounces each) reduced-sodium beef broth
• 4 teaspoons balsamic vinegar
• 1 tablespoon dried parsley flakes
• 1/2 teaspoon garlic powder
• 1/2 teaspoon dried thyme
• 1/2 teaspoon dried rosemary, crushed
• 1/4 teaspoon pepper
• 1/8 teaspoon salt
• 1-1/2 cups cubed cooked Sassy Pot Roast