1. Preparation materials: fresh yam (650g), seedless red dates (100g), wolfberry (1 tablespoon), rock sugar (4 tablespoons), glutinous rice flour (3 tablespoons)

2. Wash the seedless red dates and wolfberry, and soak them in water for one night. Peel and cut the yam into thin slices, soak in water and set aside.

3. Boil half a pot of water, add yam slices, sprinkle with 1 tablespoon of sugar, mix well, steam over high heat for 25 minutes, take out and let cool.

4. Cut the red dates into thin strips, put them into the pot and sprinkle with 3 tablespoons of sugar, mix well, steam over high heat for 15 minutes, take out and let cool.

5. Press the cooled yam into puree, add 3 tablespoons of glutinous rice flour, knead continuously with your hands to form a yam dough, and let it rest for 15 minutes.

6. Mash the steamed red dates with a spoon, put them into a juicer and beat into jujube puree, take them out and set aside.

7. Take an egg-sized piece of yam dough, press it into a cake shape, add an appropriate amount of jujube paste as filling, roll it into balls with your hands, and place them one by one on a plate.

8. Boil the water in the pot, put in the jujube paste and yam cake, steam over high heat for 10 minutes, take it out and add wolfberry for decoration, and it is ready to eat.