Steps:
1. Wash lotus seeds and soak them in clear water for 2 hours.
2. Pick and wash the tremella after soaking, and then pick it up.
3. Wash red dates.
4. Prepare rock sugar.
5. Put all the ingredients into the casserole and pour in water.
6. Cover the fire and bring to a boil.
7. Open and wait for the red dates to boil white floating foam, then skim them off, cover them and turn to low heat for half an hour.
8, then open and add rock sugar to cook until the lotus seeds are cooked and soft. When the juice is thick, turn off the heat and take out the pot.
9. Serve.