hot oil in the pan and sautéed chopped onion and ginger, add tomatoes and stir-fry, stir-fry until soupy (not too much oil)

put the tofu into the tomatoes and stir-fry for a while, put salt and a little water, and cover until the tofu stewed and flavorful

into the tofu to be stewed on a low heat for about 30 minutes, and should be stirred several times, so as to avoid sticking to the pan