Wash the seaweed stems thoroughly and drain the water.
Julienne the carrot and cucumber, and blanch the spinach, then squeeze out excess water.
Beat the egg, make a thin omelet, and cut it into strips.
Season the rice with salt, sesame oil, and sesame seeds.
Place a sheet of gim (seaweed) on a bamboo mat and evenly spread rice over it.
Add the seaweed stems, carrot, cucumber, spinach, and egg strips on top of the rice.
Roll the kimbap tightly.
Cut into bite-sized pieces.