Soy sauce plays a major part in our cooking, whether it's in soy braises, seasoning for stir-fries, or even just as a condiment for the half-boiled eggs we have for breakfast. But little has been said about the lengthy, laborious process behind it. To shed light on this humble sauce, Shirley Chia from Musees Soy Sauce shares about the intricacies of making soy sauce, her family's soy business, and how she's taking it into a modern, more artisanal direction.