Raw materials: 500g； flour; Proper amount of oil; Other seasonal solar terms: spring and autumn: alum15g, edible alkali10g, salt 8g, 300g of warm water at 30 degrees; summer: alum16g, edible alkali1g, and salt/kloc-0. If it is surface alkali, put half less. Some people use baken powder instead of alum and alkali. It is said that the effect is also very good, but I have never tried it.