Here is a handwritten recipe for cheese potatoes, date unknown. Found in a very large collection of recipes that spanned a few decades (this lady was quite the cook I bet!). You can view the typed version below as well as a scanned copy at the bottom (click to view larger).

Cheese Potatoes
375° for 25 min.

Cook 4 or 5 medium potatoes cubed and salted

1-11 oz can cream mushroom soup
1/2 c. sour cream
1/2 c. grated cheese
1/2 tsp salt
dash of pepper

Put in greased casserole.