In a bowl, combine the chicken broth, soy sauce, rice vinegar, sugar, cornstarch, black pepper, sesame oil, and ground ginger. Whisk well to combine and dissolve the cornstarch. Set aside.
¾ Cup chicken broth, 2 Tablespoon Soy Sauce, 1 Tablespoon rice vinegar, 1 Tablespoon Sugar, 1 Tablespoon Cornstarch, 2-3 teaspoons Black Pepper, 1 Teaspoon ground ginger, 2 teaspoons Sesame Oil