1. Cut the purple sweet potato into small pieces.
2. Gelatin film.
3. sugar.
4. Steam in the pot for 15 minutes.
5. Press into mud.
6. Put the purple potato mash into the blender.
7. Add surface water to make a slurry.
8. Sifted.
9. Purple sweet potato slurry.
10. Pour 400 grams of water into a pot to boil, add gelatin sheets to melt.
11. Add sugar.
12. Pour the purple potato slurry into the pot.
13. Boil on and off the fire.
14. Pour it into the mold, let it cool and put it in the refrigerator for 1 hour, then take it out and cut into pieces.
15. Use molds to make beautiful pieces of purple sweet potato cold cake.
16. Finished product.
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