The idea for the book came up when Nathan got a water controlled water bath for sous vide cooking in 2003 , he tried to find information about this new cooking technique that had been invented in 1980 's and that was used in many restaurants .
The idea for the book came up when Nathan got a water controlled water bath for sous vide cooking in 2003 . 
 He tried to find information about this new cooking technique that had been invented in 1980 's and that was used in many restaurants .