Soy sauce
Traditionally made by fermenting soybean paste, many types of soy sauce exist and there are very many uses in dishes, sauces, condiments
Source: Wikipedia
Recipes
Soy Sauce Fried Rice (酱油炒饭) - Omnivore's Cookbook
Soy sauce fried rice is simple yet indulgent. It is a classic Chinese dish that uses minimal ingredients to create maximum flavor. Only takes ten minutes to prepare, and it’s robust enough to serve as a main or to satisfy your midnight salty snack craving...