In a medium mixing bowl, whisk together the hoisin sauce, soy sauce, honey, rice vinegar, sesame oil, garlic, ginger, and sriracha (if using) until combined well.
1 cup hoisin sauce, 1/2 cup low-sodium soy sauce, 1/2 cup honey, 1/4 cup rice vinegar, 2 tablespoons sesame oil, 2 tablespoons grated fresh ginger OR ginger paste, 6 cloves garlic, 1 teaspoon sriracha sauce