In a method for obtaining cassava flour from cassava roots the following steps are carried out: grating the cassava roots, adding water to the grated matter to form a slurry, removing undesired components, such as proteins, among other components, from the slurry so as to obtain a product mass and, finally, drying the product mass. A device comprises means for grating the cassava roots, means for adding water to the grated matter so as to form a slurry, means for removing undesired components, such as proteins, from the slurry so as to obtain a product mass and, finally, means for drying the product mass.
