Sticky, pungent natto divides people at once, so in a dream it is read as an acquired taste: something good for you that first has to get past your resistance.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.