Cut the sundae (Korean blood sausage) and vegetables into bite-sized pieces.
Heat oil in a pan and stir-fry the onion, green onion, and carrot.
Add the sundae and stir-fry together.
Add the sauce (gochujang, soy sauce, sugar, red pepper powder) and mix well.
Add rice cakes and stir-fry until all ingredients are evenly mixed.
Finish by sprinkling sesame seeds and drizzling sesame oil.