>>12487716In general there are 2 ways in which you can make your food more tasty
>You increase the ammount and variety of nutrients(aka, add salt to chocolate brownies or meat to a fried egg)>You use more processed food. For example: Raw meat is less palatable than cooked meat and cheese is basically milk digested by bacteriaNow, if what you want to know it's why we prefer discrete meals instead of a continous feed during the day it's rather out of a mix of convenience and the above: If you small bites during the day you either do it well or you will get cravings for specific nutrients(suddenly you want pizza for fats, suddenly you want a steak for proteins) meanwhile a specific meal with everything at the same time is more satisfying.
But in practice is not biologically mandatory.