2. Soak the soybeans in cold water for about three hours, until the soybeans can be peeled by hand;

3. After washing the soybeans, put them into the pot, add the broth, and adjust the fire to low heat after boiling.

4, cooking needs to control the fire, not to boil the soybean skin, the fire is small, mainly relying on the circulating heat in the pot to cook the soybeans.

5. The time is about 3-4 hours. Then add cooked lard to another wok and boil, add fresh seasonal green leafy vegetables, stir fry and add salt.

6. Put the soybean soup in a bowl and pour in the green leafy vegetables. The finished product is better if there is no hot air on the surface.