Chitake Soba is a local dish from the flatlands of Tochigi Prefecture, in which cold soba noodles are dipped in a broth made from chitake (milk-cap) mushrooms. Chitake mushrooms are known for releasing a milky white liquid when torn open, and they appear in markets ahead of the autumn mushroom season, from early August around the Obon holiday. When stir-fried with eggplant and then simmered in water, they produce a broth with a richness and aroma rivaling matsutake, and dipping cold soba into this broth is the classic way to eat it. The dish is said to have already been enjoyed in the Edo period, centered on Kanuma City, known as a soba-producing area, and it remains a summer tradition served today at both specialty shops and home tables. In recent years, changes to the satoyama environment have reduced the harvest and distribution of chitake mushrooms themselves, making this dish an increasingly treasured, rare flavor that can only be enjoyed during its short season.
Origin
Chitake mushrooms are edible mushrooms harvested in the satoyama woodlands around the Obon holiday in August, a little earlier than the autumn mushroom season. Because they release a milky white liquid when torn, hence the name 'chitake' (milk mushroom), they are called by this name. In Tochigi Prefecture, this milky liquid has long been known for its strong richness and aroma, and the practice of stir-frying it with eggplant to make a broth became firmly established. In the wheat-growing areas from central to southern Tochigi, a custom is said to have arisen of making udon with newly harvested wheat around the Obon season and combining it with a chitake-and-eggplant broth.
History
Around Kanuma City, also known as a major soba-producing area, the chitake harvest season comes earlier than the soba harvest, so it is said that many households originally ate it with udon. As soba-making developed in the area, however, the dish also became beloved as 'chitake soba.' It is said that chitake mushrooms were already enjoyed in Tochigi Prefecture alongside matsutake as a popular mushroom by the Edo period, and the dish has been passed down across generations as a home-cooked meal for the Obon season.
Features
The basic style is to dip cold soba (or udon) noodles into a dipping broth made by stir-frying chitake mushrooms and eggplant in oil, then adding dashi and simmering. Although chitake mushrooms themselves do not have a particularly strong flavor on their own, heating brings out a distinctive aroma and umami that spreads through the entire broth, while the eggplant absorbs the oil and dashi to add richness. In recent years, changes in the natural environment have reduced the amount of chitake that can be harvested, making it a rare local flavor that can only be enjoyed during the short season around August.
Main Ingredients
Food Culture
This dish strongly retains the summer farming food culture of using newly harvested wheat and freshly picked chitake mushrooms around the Obon season. Each household has its own way of stir-frying the ingredients and adjusting the strength of the broth, with the flavor passed down from parent to child.
How It Differs from Home Cooking
At home, the dish centers on a simple dipping broth made by stir-frying chitake mushrooms and eggplant picked that day, whereas specialty shops pair it with house-made hand-cut noodles and offer it as a dipping soba with a more elaborate broth and carefully chosen condiments.
Famous Shops
そば割烹 日晃
栃木県鹿沼市西茂呂2-22-25
Known as the first shop to add chitake to the dipping broth for 'chitake soba.' Uses in-house grown buckwheat flour.
そば処 みたか亭
栃木県鹿沼市上石川1525-14
Famous for its 'tsuke chitake soba,' a dipping soba served with a broth of chitake stir-fried with eggplant and oil, finished with raw soy sauce and mirin. Priced at around 1,400 yen.
FAQ
Q. What kind of mushroom is 'chitake'?
A. It is a short form of chitake (milk-cap mushroom), an edible mushroom. Its name comes from the milky white liquid released when it is torn open, and heating it produces a rich broth. Unlike mushrooms such as matsutake that are prized purely for their aroma, chitake is distinctive for being used as a source of umami in broth.