1. Peel and cut potatoes.
2. Steam it on the pot until soft and mash it into a puree.
3. Add pure water several times in small amounts and stir until thick yogurt.
4. Add corn oil, salt and stir well, then add spicy barbecue ingredients and stir well.
5. Put it in a piping bag.
6. Spread a layer of oil cloth on the baking sheet and squeeze it evenly on the baking sheet.
7. Cover with a layer of tarp and rub in circular motions to form a uniform sheet.
8. Put it into the middle of the oven and bake at 120 degrees for 30 minutes.
9. It's out, perfect, my saliva...
