Stir Fry Sauce

Name: Stir Fry Sauce
Prep time: 10 min
Total time: 10 min
Yield: 3/4 cup
Ingredients: Ingredients; 1/3 cup low-sodium soy sauce; 2 tablespoons oyster sauce (or vegetarian mushroom sauce); 1 tablespoon rice vinegar; 1 tablespoon brown sugar; 2 teaspoons sesame oil; 2 teaspoons cornstarch; 1 teaspoon fresh ginger, finely grated; 2 cloves garlic, minced; 1/4 teaspoon red pepper flakes (optional); 2 tablespoons water or chicken broth; 1 green onion, finely chopped (optional)