A dehydrated slice of a vegetable or a fruit is provided, which is adapted to be rehydrated by a rehydration process, having a circumference which is substantially the same as the circumference of the respective slice of the raw vegetable, and having a thickness which is reduced about 20 to 90% in comparison to the thickness of the respective slice of the raw vegetable or fruit. The dehydrated slice has a planar surface. Furthermore, a method is provided to produce said dehydrated slices. Said dehydrated slices are adapted to be rehydrated by a rehydration process herein provided, whereby performance of said process leads to a rehydrated slice with a thickness of the respective raw vegetable or fruit.