The potatoes are peeled and cut into pieces, and the green onions are cut into small pieces; the oxtail is over water, the wine is added to the astringency, and it is boiled for 40 minutes.
Pour the oil in the wok, put the shallots, the spiced saute, and sauté the oxtail.
Add water, cover the meat; then put in the soy sauce
After boiling, add the potato pieces, add salt and sugar, turn it over, cover the lid for 30 minutes.
Add chicken essence and simmer for 10 minutes.