Nutella. I dig my spoon in and eat it straight out of the jar. I can easily go through one a week.
I had to change the shape of my own voice. It was quite hard to pull off and so once I had it, I stayed in Hitchcock's voice all day on set.
Thankfully, I have a background as an actor, and you learn how to live in that world of not knowing what's going to happen next.

