Remove excess water from the tofu and mash it.
Finely chop the carrot and cucumber.
Add the tofu to a pan and stir-fry until the moisture evaporates.
Season the stir-fried tofu with salt and sesame oil.
Mix the stir-fried tofu and chopped vegetables with rice thoroughly.
Shape the rice mixture into sushi-sized portions and place them on seaweed sheets.
Serve with soy sauce or wasabi as desired.