hmmm i go back and forth with this. i think in some AU's where zack is obv more dom he's a provider, a problem solver, he is everything so ofc he can cook. i think even in canon he prob can cook because he took care of cloud and kept him alive for a year on the run. in other AU's where zack is more puppy i see him WANTING to be able to cook, and trying, but he fails bdhgjd until he learns