I think you read it here, there was a post about this recently, but I can't seem to find it EDIT: Ah, there it is... http://forums.digitalpoint.com/showthread.php?t=23663
Personally, I'd be ecstatic if my employer had top notch chefs and offered me free meals. I heard a side benefit for Google is that it encourages workers to stay at work longer (you know, for breakfast, lunch and dinner).