The softness of the flour for leek boxes depends mainly on the method of mixing and the temperature of the water used for mixing. Use boiling water and flour to cook out of the leek box will have a better texture, use cold water and flour to cook out of the leek box will be harder. You need to use half boiling water and half cold water to keep the dough soft and supple.

Methods of Mixing

Plumbing method: Make a hole in the flour, pour water into it several times, and plumb it with both hands from the outside to the inside and from the bottom to the top several times until the water blends with the flour.

Blending method: make the flour into a thin center and thick edge shape, add water and other accessories to the middle, and gradually from the inside out to make the biscuits.

Stirring: Stir the dough while adding water, slowly and then quickly in one direction, until it becomes a homogeneous dough.