Cook sushi rice according to package instructions and let it cool slightly.
Season the rice with rice vinegar and a pinch of salt.
Prepare vegetables by slicing cucumber, carrot, and avocado.
Optional: Pan-fry tofu cubes until golden.
Assemble bowls by adding a base of rice.
Arrange vegetables and tofu on top.
Drizzle with soy sauce or a light dressing.
Garnish with sesame seeds and serve fresh.