Analysis of information sources in references of the Wikipedia article "Nattō" in English language version.
Natto is a Japanese soy ferment that produces a slimy, mucilaginous coating on the beans, something like okra. [...] The flavor of natto carries notes of ammonia (like some cheeses or overripe tempeh), which gets stronger as it ferments longer.
... natto, a fermented soy bean dish that many consider an acquired taste.
It is a traditional soybean breakfast food from northern Japan and it's called natto. [...] As a breakfast food, natto is usually served over steamed rice and mixed with mustard and soy sauce.
... natto, a food that has achieved infamy among Japan's foreign residents.
Natto are one of those classic dishes that people either love or hate. Like Marmite or blue cheese, natto has a very strong smell and intense flavour that can definitely be an acquired taste.
Preparing Nattou step by step, without using rice straw.
It is a traditional soybean breakfast food from northern Japan and it's called natto. [...] As a breakfast food, natto is usually served over steamed rice and mixed with mustard and soy sauce.