According to Campbell’s Soup Company, their Cream of Mushroom soup first hit store shelves in 1934. Soon, Campbells cooked up some recipes to go with the soup. The rest became retro food and recipe history.
Recipes from Grandma has a classic retro Cream of Mushroom Soup recipe: Easy Salisbury Steak. I bet you have a Cream of Mushroom soup recipe around your house too.

[...] Retro-Food.com — Cream of Mushroom Soup This decades-old soup recipe was ready for a revamp. [...]