Any opinions on the natto with other ingredients pre-added? I recently tried a few different varieties - one with hijiki (eh), one with kombu (not bad), one with a five grain mixture added - but I think I still prefer the tried-and-true plain, tare/karashi garden variety. Any other interesting flavors out there? My favorite way of eating it has always been to pour it over hiya yakko (chilled plain tofu) with scallions and lots of soy sauce. Tastes good, and there's something interesting about eating the soybean in three different forms in one dish that's always appealed to me. Chopped okra is also a good addition, too.