Once you try this versatile stir-fry sauce it will become a staple in your weeknight dinner repertoire.
Ingredient Note: Chinkiang is a dark, slightly sweet vinegar with a smoky flavor. It is available in many Asian specialty markets. If unavailable, balsamic vinegar is an acceptable substitute.
People with celiac disease or gluten-sensitivity should use soy sauces that are labeled "gluten-free," as soy sauce may contain wheat or other gluten-containing sweeteners and flavors.