While the potstickers are cooking, combine the soy sauce, rice vinegar, sugar, sesame oil, garlic, ginger, and peppers in a glass dish and microwave until warm. Alternatively, heat over low heat in a small sauce pot.
⅓ cup soy sauce, ¼ cup rice vinegar, 2 tablespoon granulated sugar, 2 tablespoon sesame oil, 3 clove garlic, 1 tablespoon fresh ginger (chopped), ¼ teaspoon black pepper, ¼ teaspoon red pepper flakes
Serve the potstickers with the dipping sauce.
Notes
Nutritional values may vary, depending on the potstickers purchased. Refrigerate leftovers promptly and store in a covered container in the refrigerator for up to 4 days.