Furthermore, various theories derived from Shingen regarding tourism products were formed, for example, Hoto (a popular regional dish, made by stewing flat udon noodles and vegetables in miso soup) as food for tourists, which was originally traditional food in Yamanashi Prefecture, is advertised as being `a combat ration used by Shingen.'
また山梨の日常食であったほうとうが「信玄の陣中食」として観光食としてアピールされるなど、観光物産に関わるさまざまな信玄由来説が形成された。