Throw the chopped vegetables into a food processor along with the parsley. Add the mixture to a clean dish towel and squeeze out as much liquid as possible.
Transfer the mixture to a bowl, add the salt, corn starch, white corn flour, and black sesame seeds, and mix until combined. Form small balls from the mixture, fry them in hot oil, and let them drain on paper towels to get rid of any excess oil.
TIP: Fry a sample ball before you form the other balls to see if it holds together or not. If it falls apart, add some more corn starch and white corn flour to your batter.
For the teriyaki sauce, heat some olive oil in a pan over medium heat and briefly sauté the scallions, chili pepper, garlic, and ginger. Stir in the orange juice, soy sauce, and ketchup, and let the sauce cook down. Serve the fried cabbage balls with the teriyaki sauce and garnish with fresh scallions.
