My mom always put this in my bento for me, and it is simply delicious to eat, and it feels a bit extravagant.
This is my husband's favorite.
Canned tuna is indispensable in my household.

This is the same method as when you make tamagoyaki. It might be good to mix the tuna evenly throughout with a pair of cooking chopsticks at first and then cooking. I don't have a photo...But this is easy, so...
You can still eat it as scrambled eggs if it seems like it isn't gonna work!! Recipe by Andounatsu