The invention relates to a process for the treatment of a raw material containing thermally inhibited starch and/or thermally inhibited flour as its largest constituent, whereby the moisture content of the raw material is at most 8 wt.%, comprising a remoistening step wherein between 0.1 and 30 wt.% of an aqueous phase is added to the raw material to form a product containing remoistened starch and/or remoistened flour.