Leave it to a Fergus Henderson menu to teach you a nifty new word:
So, Spatchcocking = Butterflying.
(But way more fun to say and use in Scrabble.)
Spatchcocking in action (1:30 to 4:15):
Sounds mean and laborious, but it's a good way to ensure faster, more even cooking of a critter that was never gonna fly again anyway.
Those interested in eating ox hearts and other rare Brit delicacies, enter the sweepstakes for FerguStock via TONY's The Feed.