Wash the tofu and chives thoroughly. Dice the tofu into cubes, and cut the chives into 4 cm lengths.
Thinly slice the onion and cut the carrot into thin slices.
Heat some cooking oil in a pan and stir-fry the onion and carrot.
Add the tofu and cook until it turns golden brown.
Add the chives and season with salt, pepper, and soy sauce.
Place the stir-fried mixture on top of rice to serve.