What is the cooking method of Jiaohua Chicken, a famous Cantonese dish?

The materials needed for beggar chicken are:

A hen, shrimp, diced chicken gizzards, lean meat, diced cooked ham, diced mushrooms, shrimp, pig net oil, fresh lotus leaves, wrapping paper, jar mud, Shaoxing wine, refined salt, soy sauce, onion, Jiang Mo, clove, star anise, kaempferia kaempferia, sesame oil and cooked lard.

It's easy to make a beggar chicken. First, remove the dirt from the bare chicken feet and ribs, knock off the chicken legs, chicken wings and neck bones with the back of a knife, add soy sauce, Shaoxing wine and refined salt, marinate for one hour, take out, grind clove and star anise, add Kaempferia Kaempferia powder to the chicken body, add cooked lard, stir-fry onion and ginger in wok, take out, and then dice shrimp and chicken gizzard. Put cloves under your armpits and wrap the chicken in pig net oil. Wrap several layers with fresh lotus leaves and tie them tightly with fine twine. Grind the jar mud into powder, mix it with clear water and spread it on a wet cloth. Wrap the mud in the middle with a wet cloth to make it stick tightly. Wrap it in wrapping paper, poke a small hole, put the chicken in the oven, bake for about 40 minutes, seal the hole with wet wine jar mud, bake for another half an hour, and bake for 80 minutes with slow fire.