That's a horrible idea Rokien. It's bad and you should feel bad. It would turn the cooking system into a ridiculously convoluted mess. There would be way too many variables for them to consider with something like that, it would be impossible to balance. It would take them quite a while to create such a system, convert all existing recipes to work with it, implement it and then keep creating recipes for it. It's just way more trouble than it's worth.