Roasted pork ribs with scallion oil

Ingredients required: pork ribs, scallions, onions.

Specific method: Add ginger to the pork ribs and run them through cold water. Fry the onion until fragrant, then add the green onion and fry until it becomes a little burnt. Pick up the scallions, onions, ribs and sugar and fry them in the scallion oil. Make a sauce with soy sauce, oyster sauce and water, and simmer it together with the fried green onions and sauce for an hour.