Claim: Kongbap, a dish consisting of white or brown rice cooked with beans, is generally acknowledged as a healthful food and has long been a staple of Korean prison food.
Evidence: Kongbap is a Korean dish consisting of white or brown rice cooked together with one or more varieties of (soy)beans. Although it is generally acknowledged as a healthful and nutritious food, kongbap was not universally enjoyed as it was associated with imprisonment. Kongbap had long been a staple of Korean prison food.