Wash the oxtail bone and drain the water. Stir in the hot oil pan, a small amount of oil can be. After the frying, put the beef tail bones and soup into the casserole, add the appropriate amount of cold water, cooking wine, and boil over the fire. Put it in a stuffy pot for an hour and a half (or pressure cooker, control the heat yourself).
Peeled potatoes, cut into pieces; tomatoes cut into pieces; onions cut into pieces; all spare.
When the beef tail bone soup in the stuffing pot is boiled, put out the casserole, put a proper amount of salt, and put in the vegetables, then use the gas stove to cook it together. carry out!