1) Boil ahead of time 2) Cook 3) Make 4) Parboil 5) Prepare 6) Ready 1) Parboil 2) Prboil 
[v] - cook beforehand so that the actual preparation won`t take long
precook 1. To cook something partially or completely, for final preparation at a later time. 2. To cook beforehand so the actual preparation won't take so long; such as, cooking rice in advance.
to cook (food) partly or completely beforehand, so that it may be cooked or warmed and served quickly at a later time.