1500 grams of meat skin and burn the hair

Scrape and wash clean; 1500 grams of fat five flowers are blanched in a pot. In the stainless steel pot, put the pork stick bones and the meat skin at the bottom in turn, put the fat streaky flowers, 50 grams of green onions, 50 grams of ginger slices, 10 grams of white peppercorns, add 10 kilograms of cold water, and heat it on high heat until it boils. Beat off the scum on the surface, turn to low heat and cook for about 2 hours, until the soup is thick and white and a thin layer of oil has floated.