PROBLEM TO BE SOLVED: To provide a food product containing rice flour in which dough is homogenous, has good taste, and has chewy texture having elasticity and stickiness.SOLUTION: A flour composition is obtained by performing moist heat treatment of wheat flour and rice flour with superheated steam, and granulating. A premix for a food product containing rice flour contains the flour composition. The present invention also provides a production method of the food product containing rice flour using the flour composition.