Pork Meatball and Misua Soup Recipe

Name: Pork Meatball and Misua Soup Recipe
Cuisine: Asian, Japanese
Ingredients: 500 grams pork, use ground pork; 3 cloves garlic, minced; 1 medium red onion, grated; 2 teaspoons ginger, grated; 1 tablespoon soy sauce; 1/2 cup mustard leaves (mustasa), finely chopped; 1/2 teaspoon salt; 1 teaspoon chili flakes; 1 egg; 1 tablespoon sesame oil; 2 cloves garlic, chopped; 1 medium red onion, chopped; 2 cups chicken stock; 1 tablespoon soy sauce; 1 teaspoon vinegar; 1 cup mustard leaves (mustasa), finely chopped; 130 grams misua (fine rice noodles); salt, to taste; black pepper, to taste; chili flakes, Optional