*You may need as much as -10ºC l total. -Blend the flours together with the salt. Mix in sufficient water to bind together into a dough -the quantity will depend on the types of flour used. -Beat until dough leaves the sides of the bowl, then turn onto a floured board and knead thoroughly. Heat the bakestone over a moderate heat and grease it. Divide the dough into four and roll one quarter out into a round as thin as possible. Using a plate about 20 cm wide, trim the edges into a neat circle. Prick all over to prevent the dough bubbling while cooking. ~Transfer to the bakestone and cook over a moderate heat for about 15 minutes, or until slightly colored. Then turn and cook the other side. Repeat with the rest of the dough, working up the trimmings for re-shaping and baking. -Cool on a wire tray. When cold, store in an airtight container. (Danish-butter-cookie containers, the big ones, are good for this.)