Soak salted fish in advance, because salted fish has a lot of salt, and the fish is dry, so it needs to be soaked in water. Wash the soaked salted fish and cut it into small pieces; Slice the tofu, then cut some onions and ginger. Heat oil in a pan, add salted fish and stir-fry until the salted fish is golden, add ginger slices and scallions until fragrant, then pour in chopped tofu, stir-fry slightly, inject appropriate amount of water, add a little salt, cover the lid and start stewing. Stew for about five minutes, then turn off the heat. Sprinkle some pepper and coriander powder before cooking, and the delicious salted fish stewed tofu will be ready.