To aim at the improvement of the quality of a foodstuff and also improve productivity and economical efficiency.

This device for baking the foodstuff 10 is characterized by including a pair of baking plates 14 formed with a plurality of recessed parts 24 for baking the foodstuffs on its surface and also installed with a heating unit on its back surface, a supporting part 22 for linking/supporting each one of the side part 23 side of the pair of baking plates 14 so as to be able to rotate the pair of baking plates 14 with each other in its side direction and also to be able to overlap the recessed parts 24 for baking the foodstuffs in an approximately coincided state and a handle 31 installed so as to protrude in a front surface side from a side part 30 side at the other side of the opposite side of each one side part 23 side of the pair of the baking plates 14, forming a communicating route 29 for communicating each of the recessed parts 24 for baking the foodstuffs with outside, at the baking plates 14 and opening the outside terminal opening parts 29a, 29b of the communicating route 29 as facing in their side directions.