Here’s a handwritten recipe card for a potato casserole, date unknown. Recipe is typed below with a few corrections made for easier reading, scanned copy below as well.

Potato Casserole
Serves 12

6 med potatoes unpeeled cooked not too soft
1/4 melted butter*
1 can cream of chicken soup
1/2 c onion fine (2 tblsp dried)
1 pint sour cream
1 c cheddar cheese grated

Peel & grate potatoes in dish & mix with all except some cheese, save some for top with cornflake crumbs, put over top of casserole.

Bake 350° 30 min.

*RecipeCurio Note: no amount is given on the recipe card but I believe it would be 1/4 cup for the melted butter.