French whiskey makes… Le whisky français rend…
… the wench frisky … la soubrette chaude
Found on twitter: @cubosh
It could be improved, as it is not the pure form we defend, of only one sentence.
But it is quite congruent and well turned, it flows naturally enough.(Not in the form “Is it XY or YX?”, which is a low form of spoonerism!)
It should really be possible to improve by making it a double contrepèterie.