Knead the mix, flour, yeast and 60% of the water for 5 minutes at a low speed. Knead for another 5 minutes on the second speed setting, adding the salt and gradually adding the remaining water. Rest the dough in an oiled bowl for around 45 minutes, then form ciabattas and leave to rise for another 30-40 minutes. Turn the ciabattas before baking with high steam. Release the steam for the final 5 minutes.