A book handed down in Hongan-ji Temple, "Hongan-ji saho no shidai" (The Orders of Manners in Hongan-ji Temple), writes about the situation where the menu was changed from a vegetarian dish to a fish dish which was problematic in terms of the doctrine, under Rennyo's instruction only for Masamoto's visit to Yamashina Hongan-ji Temple.
『本願寺作法之次第』という本願寺に伝わる書籍には政元の山科本願寺参詣のためだけに蓮如の指示で精進料理ではなく戒律的に問題のある魚料理に献立を変更したいきさつが載せられている程である。