To provide a method for producing a food dough that has excellent flavor and texture, maintains excellent flavor and texture for a long period of time and contains grain and a heated food.

Grain is boiled to gelatinize starch contained in the grain. The boiled grain is added to a food dough, so that the food dough and a heated food can have sweetness. Since the boiled grain contained in the dough contributes to a water retention of the food dough and the heated food, elasticity and water of the food dough and the heated food can be kept for a long period of time. The obtained food dough and heated food have an excellent flavor and texture and maintain the excellent flavor and texture for a long period of time. The use of rice as the grain increases rice consumption.