We now call them crepes and this morning on France 2, William was being served crepes but he did ask for jam/ confiture.
Today February the 2nd is Chandeleur, in English Candlemas.
Shrove Tuesday in the UK is the ninth.
I have given links to both the English and French traditions.
http://www.timeanddate.com/holidays/uk/shrove-tuesday
http://www.linternaute.com/actualite/societe/1211535-chandeleur-2016-date-origine-traditions-la-fete-des-crepes-est-arrivee/