1. Fresh ribs Nao water the correct way is to first soak [ribs] in water so that the blood will flow out, and many people say there is actually no need to add salt. We here directly with tap water to rinse clean. But to save water at home, it's usually half an hour. You need to change the water twice in between, once you notice that the water turns bloody.
2. Then the water into the pot, but remember that this is cold water, ribs in the pot slowly heated, the blood in the water will be leached from it. This is the only way the blood will cook out of the ribs, the most blood in the ribs is in the center bone. When the water comes to a boil, you will notice a lot of floating foam on top, which needs to be skimmed off with a spoon, and then continue to cook for 4-6 minutes. When the water in the pot turns white, fish out the ribs and then wash them in clean water. The main thing is to clean the bone residue and blood foam residue in the middle of the ribs!
3. Yam peeled and washed, soaked in clean water for 15 minutes. (Add a little vinegar or salt soak), spare ribs with cold water after cleaning, boil half an hour to add yam, boil with high heat, then turn to a small fire boil 1 hour, add the right amount of salt to enjoy, conditions can also add some green onions to garnish