Rinse the rice cakes and fish cakes under running water.
Put water, rice cakes, and fish cakes into a pot and bring to a boil.
Once the rice cakes soften, add the sauce of your choice.
Stir well so the seasoning is absorbed as it boils.
Add fish cakes and vegetables and continue boiling for another 3-5 minutes.
Plate the tteokbokki and sprinkle with sesame seeds or green onions.