Wasabi, a spicy condiment made from a plant similar to horseradish, is often served with sushi and other Japanese dishes.

Natto, a fermented soybean dish that is known for its strong odor and slimy texture, is a popular Japanese food that is often eaten for breakfast.

Japan's isolationist policy during the Edo period limited contact with the outside world but allowed for the development of unique cultural practices and traditions.