It's fascinating how brain cells outside of its host can do simple tricks like play pong. Perhaps these scientists need a new marketing department because DishBrain isn't quite appetizing.
(It's OK, I'm an expert at Pong.)
When it comes to brains, canonically Hannibal is fond of eating them straight out of the skull, with the owner still alive and conscious.
I've tried cow brain twice and it was delicious.