The recipe and ingredients of donkey-hide gelatin cake are as follows:

The recipe of donkey-hide gelatin cake: donkey-hide gelatin, walnut kernels, red dates, black sesame seeds, rice wine in a ratio of 1:1:1:1; wolfberry, polycrystalline Rock sugar can be added according to personal taste.

1. Brewing donkey-hide gelatin: Crush donkey-hide gelatin into powder with a grinder, pour in rice wine and brew for 48 hours. The container needs to be covered during the brewing process. Must be fully soaked for 48 hours.

2. Prepare the auxiliary ingredients: polycrystalline rock sugar, powder the Hotan dates in advance, remove the cores, and cut each into four pieces. Walnut kernels and black sesame seeds are slowly roasted over low heat to create the aroma.

3. After brewing the gelatin for 48 hours, pour the rock sugar powder and donkey-hide gelatin powder into the pot and stir evenly. Bring to a boil over high heat, then reduce to low heat. During the cooking process, be sure to stir continuously with a spatula to prevent sticking to the pan and burning.

4. Add walnut kernels, jujubes, and wolfberries with the auxiliary ingredients, and stir quickly evenly. Add black sesame seeds in 2-3 batches and mix quickly.

5. Shape into the mold, pour it into a pre-greased crisper, and flatten the donkey hide gelatin cake while it is hot. Press hard to make it firm.

6. Cut the slices into rectangular slices according to your preference, and you can enjoy your hand-made donkey hide gelatin cake with your family.