1. Material: 200g of pig bone, 250g of fresh yam, 50g of red beans and 7g of salt.
Second, practice:
Wash and chop pig bones, and fly water for later use;
Peel and wash fresh yam, and cut into sections for later use;
Wash adzuki beans and soak them in clear water for later use;
Boil water, add pork bones, red beans and fresh yam to boil, then turn to low heat and continue cooking for about 1.5 hours, and season.