Ingredients: half a trotter, 4 red dates, Chinese yam 18g, soybean 1 bar, 2 candied dates, red peanuts 1 bar, a little wolfberry, 4 slices of ginger, and a proper amount of salt.
Steps:
1. Prepare materials, wash trotters and chop them.
2. Soak soybeans and peanuts for 40 minutes in advance, and wash other materials for later use.
3. Add water to the pot to boil, add pig's trotters and 4 slices of ginger, boil the blood from pig's trotters over high fire, and remove them for later use.
4. Except Lycium barbarum, all materials and pig's trotters, together with 4 slices of ginger, are put into the pot, and appropriate amount of water is added.
5. Boil the soup on high fire, simmer for about 2 hours on low fire, and transfer the medlar 5 minutes before cooking.
6. Adjust the salt before turning off the fire.