Hiyayakko
Hiyayakko is a Japanese dish made with chilled tofu and toppings. The choice of toppings on the tofu vary among households and restaurants, but a standard combination is chopped green onion with katsuobushi (dried skipjack tuna flakes) and soy sauce. Other toppings include:
Source: Wikipedia
Recipes
Two Classic Japanese Tofu Dishes: Hiyayakko and Agedashi Dofu | JustHungry
What's the best way to eat really fresh tofu? My favorite every time is hiyayakko (cold tofu), but agedashi-dofu (deep fried tofu with dashi sauce) is a close second. Hiyayakko is plain chilled tofu with a little garnish on top. You can add any number...
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Hiyayakko (chilled tofu) - Oishi Washoku Recipes
Hiya means cool, and yakko once referred to samurai’s servants during the Edo period. They wore a square-shaped crest measuring three by three centimetres, so when tofu was cut into cubes of that size one would say it was cut into yakko. This is quick...