Isinglass Sweet Potato Dessert
1.
The isinglass is first steamed in a pot, then put it out and put in a container with cold water, put it in the refrigerator compartment, soak it overnight
2.
After soaking the fish gelatin, clean the fish oil, fish blood and impurities on the surface, and set aside
3.
Cut the red dates in half, peel and cut the sweet potatoes quickly, put them in the stewing pot, set for 2 hours
4.
After simmering for 1 hour, add fish gelatin for 50 minutes, then add rock sugar