Yes, butter or just adding more fat in general. My friend the cook would throw whole sticks of butter into dishes.
And I remember a clip of Bordain dousing a steak in olive oil AND turning it on on its edge to rend the fat, which he then soaked up with the beef steak.
It's all fun until someone gets an artery blocked
I saw that episode. Bourdain was a bit of a fave of mine. Just irreverent enough ...