Prepare seaweed sheets and rice for gimbap.
Slice cucumber, carrot, pickled radish, ham, and fish cake into thin strips.
Make a spicy sauce with gochujang (Korean red pepper paste), red pepper powder, mayonnaise, and other ingredients.
Stir-fry the carrot, ham, and fish cake in a pan.
Season the rice with sesame oil and salt.
Spread the rice evenly on the seaweed sheet and add the spicy sauce on top.
Place the prepared fillings and roll the gimbap tightly.
Cut the gimbap into bite-sized pieces.