1. Prepare a bullwhip, iron stick yam and ginger each1500g, peel and wash, and cut the bullwhip into four sections with a knife on the chopping board. This is mainly convenient when boiling water in the pot.

2. Put the bullwhip into the pot, blanch it without water, and blanch it with boiling water for ten minutes. When scalding, we slice ginger on the chopping board, and the size of the slice is arbitrary.

3. Peel the yam and put it in a pot and soak it in water to avoid discoloration. Ten minutes later, take out the washed bullwhip from the pot, wash it with clear water, and cut it into an inch-long bullwhip tube on the chopping board.

4. Cook the pot for 10 minutes. The purpose of this is to remove the fishy smell first; Secondly, in the later operation, there is a process of cutting the bullwhip with scissors, which takes a long time to cut. After the second blanching, rinse the bullwhip again to drain the water, and cut the bullwhip into petals with scissors. This is to do this.

Add 5 liters of water to the pressure cooker and press for 20 minutes, and there will be more than 3 liters of soup. Put the cut bullwhip and ginger slices into the pot, cover the high-pressure pot cover, press the fire for 20 minutes, then turn off the fire without moving the high-pressure valve and stew for another 5 minutes.

6. In the process of suppressing the bullwhip soup, we cut the iron stick yam into hob pieces for later use. Turn off the fire after 25 minutes and open the high-pressure pot cover. (At this time, the bullwhip is basically rotten. ) Put the cut yam into the pot, add 8 grams of salt, cover the pot and press for another five minutes.

7. After that, turn off the fire, open the high-pressure pot cover and season. At this time, the bullwhip and yam are cooked, add 3 grams of white pepper and 5 grams of monosodium glutamate, stir well and put them in a bowl. This nourishing soup is ready.

Extended data:

Remove yam mucus stuck to hands.

1, rinse with water: rinse with plenty of water, then apply vinegar to your hands, and don't even fall under your nails. After a period of time, this itching will gradually disappear, which is the result of acid-base neutralization.

2, fire roasting: you can also put it on the fire, flip the palm repeatedly, let the hand heat up, so that you can decompose the saponin infiltrated into your hand. But be careful not to burn your skin.

3. Toilet water: Toilet water or essential oil can be diluted with water and washed repeatedly.

4, hot water: soak in hot water (the temperature you can bear, it is best not to warm water, no effect) for a few minutes, which can effectively relieve itching.

5. Salt: It will be better to rub it with edible salt and then soak it in hot water. It must have been soaked, not washed, and it didn't work.

6, Taomi water: washing in Taomi water is very effective.

7. Ginger: Apply some ginger juice immediately after itching to relieve itching quickly. Because ginger contains volatile oil, it can promote blood circulation, warm the body and excite the nerves.

8. Soap: If the above conditions are not allowed, you can also try to clean it with soap.

9, freezing: just put your hand in the refrigerator to freeze. Not recommended. The effect is not obvious, and it is easy to frostbite hands.