1. Wash black beans and soak them in water until they are big;
2. Slice ginger and knot onion;
3. Boil the water in the pot, then blanch the pig's stick bone with a large spoon, so as to avoid the bone marrow falling into the water;
4. Put walnuts, black beans and blanched stick bones together in a sand pot with enough water, put cooking wine, ginger slices and scallion festival in it, turn the heat to simmer for two hours until the bone crisp beans are rotten;
Before leaving the pot, put in salt and boil for a few minutes to taste. If you like MSG, you can add chicken powder or MSG, and sprinkle with Scallion to eat meat, soup and beans.