1. Prepare dry buckwheat noodles and pork cartilage with sauce for later use. After pork cartilage is cooked in the pressure cooker, add onion, ginger, garlic, salt and soy sauce into the oil pan and put it in the refrigerator for later use.

2. Put an appropriate amount of cold water in the iron pot, boil the water with high fire, and then put the noodles and pork cartilage into boiling water to start cooking.

3. When cooking noodles, put the hot and sour dolphin bone soup into a bowl, pour in boiling water, and then stir thoroughly. This soup is especially delicious, and it is delicious with noodles.

4. After about 5 minutes to 10 minutes, the noodles are cooked and the pig cartilage is heated.

5. Take the noodles out of the bowl, put the pig cartilage on the noodles and sprinkle with dried vegetables and Chili oil. This Chili oil is slightly spicy, mix well when eating.