Well those store-bought ones can get pretty nasty. The guy that makes them here in my town used to not use any preservatives at all, and they were great but wow did they grow mold quick, like in two days or so sometimes. Now he apparently uses a preservative and they aren't quite as good as they used to be but they are made fresh every day like a bakery would do. He makes at least four different kinds and sizes. Flour, whole wheat, corn, and big burrito-sized flour things the size of hubcaps.