In a large mixing bowl, combine ground pork, ¼ teaspoon ground black pepper ¼ teaspoon salt, ½ bread crumbs, 1 teaspoon seasoning, and egg. Mix thoroughly. Cover and refrigerate for 15 minutes.
After 15 minutes. Heat the oil, When the oil is hot enough, pan-fry the ball-shaped mixture until the outer side turns brown.
Take a casserole, combine water, ketchup, sugar and vinegar. Blend it well and set it on fire and cover it until it boils.
When boiling, add the cornstarch diluted in water and cook until desired thickness is reached.
Put the carrot, onion and bell pepper. Wait for 2 minutes and put out the fire.
Put meatballs in sauce and sprinkle with spring onion.
Serve and enjoy!