Cook half oats just like you would cook rice.
Prepare seaweed for gimbap.
Cool the cooked half oat rice.
Drain the oil from the canned tuna.
Slice cucumber and carrot into long strips.
Beat eggs and cook into a thin omelet.
Spread the oat rice evenly on the seaweed.
Place cucumber, carrot, omelet, and tuna on top.
Roll up the gimbap and cut it into bite-sized pieces.