2. The sweet potato flour (half a catty), raw flour (two two) into the basin and cool water (a catty or so) will be the powder open, less water can be added a little more, adjusted to the pulp to be used.
3. will be adjusted to the pulp on the fire, with a small or medium heat will be heated, while heating and stirring do not paste the bottom, until boiling can be.
4. The disk with oil evenly coated with the pulp poured into the disk is not too thick to wait for the cooling can be cooled, cooled and then brushed a layer of oil on the surface to avoid sticking.