Soy sauce, rich in umami, contrasts with the bitterness of dark chocolate, creating a complex balance. The deep, salty flavors of soy sauce amplify the chocolate's richness, enhancing its depth without overpowering it.
The Best Way To Cook With Nutritional Yeast, For The Uninitiated - Tasting Table
Nutritional yeast naturally contains glutamic acid, which is essentially umami. So it's a great addition to so many plant-based dishes that need a savoriness boost.