1. Cut the onion and red pepper into bite-sized pieces and set aside.
2. Frozen dumplings are fried in a preheated pan with enough oil to make them crispy.
3. Put water, soy sauce, vinegar, and sugar in a pot and cook.
4. Wait until it's hot before putting on the prepared vegetables
5. Mix starch and water to make starch, put it into the seasoning and stir directly to make the seasoning
6. Add the crispy fried dumplings and sauce to finish.