1, 500g of beef breast, 200g of beef bone, 50g of onion, 50g of carrot, 25g of celery and proper amount of salt. Wash beef with clear water and cut it into 3 piec
1, put the whole piece of pork belly with skin+ginger+onion knot+star anise+cinnamon in cold water, cook for about 20 minutes, take out the meat and let it cool, and