To provide an electric rice cooker capable of omitting a microcomputer mounted on a control substrate side by substituting storage means such as an EEPROM for the microcomputer, and writing adjustment data from an inspection machine in a production process.

In the electric rice cooker including a plurality of substrates 7a and 9a capable of performing communication, a control microcomputer 50 is arranged in at least one substrate among the substrates, and the storage means (EEPROM 40) in which adjustment data can be written is arranged in the other substrate. When mutual communication is allowed between the substrate equipped with the storage means (EEPROM 40) in which the adjustment data an be written, and the substrate equipped with the control microcomputer 50, a function equal to an electric rice cooker including a plurality of substrates each equipped with a control microcomputer can be obtained, and consequently, cost reduction is achieved.