Here is my wifes she STOLE from Shoneys . Also try Copy Cat Recipes. SweetPea and Tiger.
POTATO SOUP
1 qt cubed potatoes 3 cups water
2 Tbsp chopped onion
1 can clear chicken broth
Bring these 4 ingredients to a boil and simmer about 20 min. or until potatoes are tender.
ADD:
1 can cream of mushroom soup
2 cups milk
Let all ingredients simmer. Add salt and pepper as desired. Stores and freezes well.