In a bowl, mix together the soup stock, chili paste, chili flakes, soy sauce, garlic, and cane sugar.
Add the mixture to a pot and bring it to a boil. Simmer for about 4 minutes or until the sugar is dissolved.
Add the soaked rice cakes and fish cakes to the pot and boil for 5 minutes.
Lower the heat and simmer for another 5 minutes or until the sauce is thickened.
Add the green onions and simmer for another minute.
Garnish with sesame seeds, sesame oil, and hard-boiled eggs if desired.
Serve and enjoy your delicious Tteokbokki!
