Because you do not need to invent new recipes. You don't need to eat it or saw it before serving. Just follow the recipe and measure volume measure of salt. Sauce or spices
Because you do not have to invent new recipes themselves. You do not have to taste it or smell it before serving. Just follow the recipe and measure the amount of salt or spice sauce.
Because you don't have to invent new recipes. You don't have to taste it, or smell it before serving. You just follow the formula and the measured quantity of salt sauce or spices.