Last call: An intriguing Jell-O history and a supermarket made of felt

Jell-O is one of those foods that was an absolute staple of my childhood: with whipped cream, in salads, and my aunt even made a mold that put carrots in purple gelatin. Granted, I don’t consume as much Jell-O now as much as I did then (although my kids love Jell-O snack packs in their lunches), but I was nonetheless…