2. There is some sand in the flower nail meat, which must be removed before cooking. The method of removing the sand inside is very simple, just soak it in water for a period of time, stir it repeatedly, and finally rinse it with clear water.
3. You can put some salt in clear water and drop a few drops of sesame oil. Salt has a bactericidal effect, and the smell of salt and sesame oil will make the flower nail open, and then stir it to clean up all the sand inside.
4. In addition, you can also add some white vinegar to the water and soak the flower nail for 2 hours, so that the sand in the flower nail is basically spit out. After soaking, you need to clean it again. Don't cook directly after soaking.