What Japanese food souvenirs are actually useful after you get home?

A lot of Japan souvenir advice seems to be about snacks, which makes sense, but I’m curious about things people actually use after the trip.

For example:

– dashi packs

– furikake

– yuzu kosho

– ponzu

– shichimi

– Japanese tea

– instant miso soup

If you’ve brought food items home from Japan, what did you actually use and what just sat in a cabinet?