A cutting apparatus for slicing potatoes includes an impeller hub block, impeller tubes radially extending from the impeller hub block, and a cutting assembly circumferentially surrounding at least a portion of the impeller hub block. The impeller hub block includes a potato holding area and an opening for receiving potatoes into the holding area. The impeller tubes have an entry aperture and an exit aperture, and a longitudinal length greater than about 5 inches. The impeller hub block is rotatable about a central vertical axis and each impeller tube is rotatable about its own longitudinal axis.