Wash the rice and cook it.
Beat the eggs, add a pinch of salt, and make a thin omelet.
Drain the oil from the canned tuna and mix it with mayonnaise.
Place a seaweed sheet on a bamboo mat and spread the rice thinly.
Add egg omelet, tuna mayo, cucumber, carrot, and spinach.
Roll up the gimbap and cut it into bite-sized pieces.