Ponzu

Pour the soy sauce into a clean jar or mixing bowl.

Add the rice vinegar and lemon juice to the soy sauce, stirring to combine thoroughly.

Measure and add the water, mixing well until the liquid is uniform.

Drizzle in the toasted sesame oil while stirring constantly to emulsify the dressing.

Stir in the fresh grated ginger until evenly distributed throughout the ponzu.

Taste and adjust the balance of salt, acid, and umami as desired by adding more soy sauce, vinegar, or lemon juice if needed.

Transfer the ponzu to a clean bottle or jar and refrigerate until ready to use, or serve immediately at room temperature as a dipping sauce or dressing.