Adjustable slicing devices and blades for the adjustable slicing devices are provided. One slicing device includes a frame having a first configuration and a second configuration. The slicing device further includes a first guide plate and a second guide plate wherein the first and second guide plates are mounted to the frame and include an opening formed between the guide plates in the first configuration. The device includes a first blade mounted in the opening in the first configuration, the blade having a cutting edge, and an adjustment control member having a first position for releasing the frame from the first configuration.