To provide a vegetable cooker which can be appropriately used even for the container of a different size such as a suitable bowl without requiring any dedicated holding vessel.

Concerning this vegetable cooker, a cooking operation part is provided in the middle of a vegetable slide surface part 11, prescribed processing cooking is performed by moving a vegetable on the slide surface part, and the processed vegetable is discharged onto the rear surface of the cooking operation part. In this case, one of holding parts 17 and 34 abutted on (in external contact or internal contact with) the upper edge part of a holding vessel A such as a bowl is movably provided on the rear side of a main body 1 equipped with the vegetable slide surface part and its interval can be adjusted.