1. Cook mushrooms, onion and celery until just tender but still a slight bit crisp.
2. Set aside.
3. In dutch oven or large pot, combine the broth with the soups until soup is dissolved and add all the other ingredients except potatoes.
4. Last, add the potatoes which have been thawed mostly. Sitr in gently.
5. Simmer for about 10-15 minutes on lower heat (enough to gently bubble the soup).
6. Serve with Garlic bread or Texas Toast or Rye Krisp Crackers.