Can prison food be unconstitutionally bad? - By Arin Greenwood - Slate Magazine

Nutraloaf (sometimes called Nutri-loaf, sometimes just “the loaf”) is served in state prisons around the country. It’s not part of the regular menu but is prescribed for inmates who have misbehaved in various ways—usually by proving untrustworthy with their utensils. The loaf provides a full day’s nutrients, and it’s finger food—no fork necessary.