On Thursday, December 21, 2017 at 9:02:36 AM UTC-10, U.S. Janet B. wrote:
>
> My mother put small pieces of cheese in the macaroni, poured a little
> milk over the top and put it in the oven. I loved it and have never
> been able to duplicate her mac & cheese.
> Janet US

My guess is that you have to use a process cheese to pull this off. It's kind of an intriguing idea.