A reader went far afield, to Memphis, where she ate the mac 'n' cheese served as a side dish at B.B. King's Blues Club and Restaurant, 143 Beale St.

It got quite thick at the stage of mixing for about 10 seconds. Mix for 30 seconds to 1 minute, and it's ready when it becomes a thick sauce. First of all, I tried to eat it as a cheese fondue.