Sushi-Su (Seasoned Vinegar for Sushi Rice) 1 cup rice vinegar 3 tablespoons sugar 2 1/2 teaspoons salt 1 piece kombu, 2-inches square (optional) Combine the vinegar, sugar, salt, and kombu in a small saucepan. Place the saucepan over medium-high heat and cook, stirring until the sugar and salt dissolve. When the mixture is clear, remove […]

