2 minutes ago, liuzhou said:Seems to me that rather defeats ther point. It is normally partially poached, the left to finish in the residual heat of the cooling poaching medium.
Also, until very recently, few domestic kitchens and many commercial kitchens wouldn't have had the ice for an ice bath.
I agree, probably a simplified process. How long would you actively poach a 5lb chicken and how long would you let it rest in liquid?