This invention is intended to enable the development of and provide rice flour that allows easy production of bread made from 100% rice flour that raises well and is finely textured at a bakery or in a home and a method for producing bread made from 100% rice flour using such rice flour. More specifically, this invention is intended to provide rice flour that is prepared by pretreatment comprising mixing rice flour, protease, and water to prepare dough made from rice flour and heating such resulting dough at a temperature from 40°C or more but less than 60°C for 3 to 20 hours and a method for producing bread made from rice flour using such rice flour.
