2. Slaughter the pigeons and wash the skins.
3. Open the belly of the pigeon, remove the internal organs, wash the blood, and blanch it in boiling water.
4. Put pigeon, ham, gastrodia elata, clear soup, onion and ginger slices into the stew bowl, steam them in a cage for 2 hours, take them out, remove onion and ginger, and add salt and monosodium glutamate to taste.