Wash and peel the potatoes if desired.
Heat vegetable oil in a large skillet over medium heat.
Add potatoes and cook until lightly browned.
Combine soy sauce, sugar, and corn syrup in a bowl.
Pour the sauce mixture into the skillet, covering the potatoes.
Simmer for 15-20 minutes, stirring occasionally, until the sauce thickens.
Drizzle sesame oil over the potatoes and mix well.
Garnish with minced garlic, green onion, and sesame seeds before serving.