Natto is a traditional Japanese food made by fermenting whole soybeans with natto-kin, a type of bacteria. It is a popular breakfast food in Japan that has a unique flavor profile accompanied by a strong aroma and texture. The taste of natto has been described as a combination of savory and slightly sweet with a nutty flavor. Some people say it tastes like aged cheese or salty cottage cheese. However, others find it to be super bland and doesnt taste like much of anything, with at most a very mild bitter and nutty flavor. The texture of natto is slimy, sticky, and pasty, which can be a challenge for some people to get used to. The smell of natto can also be pungent and strong, which may turn some people away. Overall, natto has a unique taste and texture that may be an acquired taste for some people.