Another riff on party mix, Texas Trash, you know the kind of thing. Or… do you?

Another riff on party mix, Texas Trash, you know the kind of thing. Or… do you?
Dated July 1, 1955.
Or “cocoa-cola cake,” as it was called in the 1960s. (Get it?)
A 1950s recipe.
With orange topping.
Our first North Dakota recipe takes us to… West Virginia.
With olives and onion juice, because of course.
Sort of a hot tuna and egg salad melt.
Guess when this recipe appeared?
Written on the back of a bank slip.
A bake-off winner from 1950.
Or bar, as this Canadian delicacy is more commonly known.