Originally Posted by
Seat13F_AC_CRJ
I've never seen rack of lamb as a menu offering before. Maybe I don't travel enough?
You don't travel enough.
It's been mentioned in this thread several times on international menus since 2015, at least.
For example:
Recent AC849 LHR YYZ
AC869 LHRYYZ September 2015
Dec 2015 AC859 LHR YYZ
"I've had nicely cooked rack of lamb a number of times when flying from Europe (UK IIRC)."