Practice steps:

1. chicken liver is soaked in clear water for more than two hours, during which the water is changed several times;

2. Add onion, ginger, cooking wine and pepper to cold water and put it into the rinsed chicken liver. Do not cover the pot during cooking, skim off the floating foam, boil for five minutes, remove and rinse;

3. Stir-fry the sugar color, add water, two fragrant leaves, one Amomum tsaoko, licorice, kaempferia kaempferia, clove, fennel, cinnamon, pepper, soy sauce, salt and soup, boil the chicken liver, marinate the soup with low fire for one hour, remove the spices, and put crystal sugar on high fire to collect the soup;

4. it's done.