Chilled tofu冷や奴[ Hiyayakko ]

Hiyayakko (冷奴, cold tofu) 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:

from Hiyayakko (Wikipedia) CC BY SA 3.0