1. Wash the fresh kelp and cut it into pieces of appropriate size. It is best to soak kelp for two or three hours in advance;
2. Wash the lotus root, peel and remove the knots, and cut into pieces half a centimeter thick; Wash onion and dice;
3. Wash the flowers; Boil a pot of water, put the flower nail in the water for 20 seconds and pick it up, which is beneficial to spit sand;
4. Pour oil in a hot pot, add ginger slices for more than ten seconds, pour water, add lotus roots after boiling, and cook for 20 minutes;
5. Put it into the sea and cook for 15 minutes. Add the flower shell to boil. Finally, add the onion and the right amount of salt to serve.