Cut the beef brisket into bite-sized pieces.
Soak tteokbokki rice cakes in water.
Slice green onion and onion thinly.
Heat cooking oil in a pan and sauté the green onion to make green onion oil.
Add the beef brisket and stir-fry.
Add the onion and continue stir-frying together.
Add rice cakes, water, gochujang, chili powder, soy sauce, and sugar.
Boil until the rice cakes become soft.
Add mala sauce and minced garlic, and mix well.
Add fish cakes and green onion, bring to a boil once more, and finish.