Clean the squid thoroughly and prepare the body.
Remove excess water from the tofu and mash it.
Finely chop the onion, carrot, and green onion.
In a bowl, combine squid legs, tofu, vegetables, egg white, salt, and pepper, and mix evenly.
Fill the squid body with the stuffing.
Seal the opening of the squid with toothpicks.
Heat olive oil in a pan and cook the stuffed squid over medium-low heat.
Once cooked, let it cool slightly and slice into bite-sized pieces.