1. Wash yam, steam it in a drawer, peel it, and press it into mud with a knife.
2. Wash the lotus seeds, remove the heart and soak them soft, and put them on the drawer and steam them with high fire.
3. Make several "Snow Lotus" with cherries and moss.
4. Pour an appropriate amount of water into the pot, add 60 grams of sugar after boiling, boil it into sugar juice, and let it cool.
5. Put the remaining sugar and milk powder into a basin, add yam mud, stir well, put it on a plate, make it into an "iceberg" shape, then decorate the iceberg with saussurea involucrata, sprinkle lotus seeds around the iceberg, and pour the sugar juice evenly on the iceberg, and you can eat it.