This has been featured around the Innernet recently, so why not here? Personally, my biggest skepticism is that I suspect it actually needs a mix of dark soy sauce and a much lighter sauce that floats on top?
I dunno though, maybe the ‘trenches’ are so deep that it works with simple soy sauce? Pretty dang clever, either way.
In the spirit of Starship Troopers, if you’d like to know more:
https://www.boredpanda.com/dishes-sauce-images-appear-3d-print-japanese-redestu/
Soy sauce would work like an ink. Here’s a picture of watercolour inks, each column is one ink, with each row representing how much ink is soaked in.
Can you recommend which is tastiest?
Unburnt kikkoman
Yeap, as someone who’s done his share of watercolor art, I do grasp the concept. Any doubts I had were related to a level of skepticism about the depths of the trenches.