Cut tofu and cucumber into bite-sized pieces.
Cut the seaweed into small pieces using scissors.
Heat some cooking oil in a pan and cook the tofu until golden brown.
Add the cucumber and stir-fry lightly.
Season with soy sauce, sesame oil, and pepper.
Place the sautéed tofu and cucumber on top of rice.
Generously sprinkle chopped seaweed on top to finish.