Nancy2 wrote:
=> Hot dish is mostly a Minnesota term, as far as I can tell. Here in
> Iowa, we have casseroles, but not real often any more. The 60s were
> the peak for "one dish meals," or casseroles, because of the huge
> influx of mothers joining the workforce and the need to fix something
> reasonably quick, nutritious and filling for the family's dinner. At
> least, that is what I recall. I was a newly-married working woman in
> 1962.

Yes. I think that's how they came about. I only ever saw the term "hot
dish" fairly recently. Was not something we used in KS.