In a bowl, whisk together the soy sauce, hoisin sauce, Shaoxing wine (or chicken broth), brown sugar, grated garlic, grated ginger, Chinese five spice powder, salt, and red food coloring (if using). Set aside about ¼ cup of the mixture for basting.
5 tablespoon soy sauce, ¼ cup hoisin sauce, 2 tablespoon Shaoxing wine, 2 tablespoon brown sugar, 3 cloves garlic, 1 inch ginger, 1 teaspoon Chinese five spice powder, ¼ teaspoon salt, ½ teaspoon red food coloring