Wash the tofu thoroughly and slice it into 1cm thick pieces.
Season the tofu with salt and pepper.
Add cooking oil to a pan and fry the tofu on both sides until golden brown.
Put chopped onion, chopped cucumber, and chopped carrot into a bowl.
Add mayonnaise, sugar, salt, and pepper, then mix to make the mayo sauce.
Place the mayo sauce on top of the grilled tofu.