1, materials; 3 chicken thigh bones, 3 mushrooms, salt, 3 slices of ginger, 2 small onions.
2, add 2 large bowls of water to the casserole, add ginger and scallions.
3, rinse the chicken bones and put them into the casserole. Bring to a boil over medium heat, then skim off the foam, reduce heat and simmer, covered, for about 20 minutes.
4, then put the mushrooms, add the mushrooms and cook for another 15 minutes.