@ Asker 20:53 Apr 15, 2021
It is actually correct, but it is such unusual EN, you can be forgiven for thinking there is something wrong!
A commoner expression you may have heard is "there is method to [or more often perhaps 'in'] his madness" — even though something someone does seems mad / crazy / random / meaningless, there is in fact some sense / logic behind it.
In just the same way, the chef is saying here that they like to study the 'methods' that they believe probably lie behind the apparently 'spontaneous' creativity of other chefs.
You may need to be a chef yourself to fully comprehend this thinking! | 
