Cut the tofu and vegetables into bite-sized pieces.
Finely chop the onion and green onion.
Heat sesame oil in a frying pan and sauté the onion and green onion.
Add the tuna and stir-fry, seasoning with salt and pepper.
Add gochujang, doenjang, and minced garlic, then stir-fry together.
Place the stir-fried mixture on top of the tofu and wrap it like a ssam to enjoy.