@LibrarianRA i hope someday I'll come across the TV ad for Lobsterfest that used the Allman Brothers song Revival ("People can you feel it? Love is everywhere") with "Lobsters everywhere!" Feels like a fever dream but I remember it.
Dang, those sound good.
Kudos to McD's for trying to accommodate vegetarians as early as 1975. Too bad they didn't hit on the right product at the time. I wonder how it would fare now?