is a type of pickled daikon

Daikon

Daikon , Raphanus sativus var. longipinnatus, also called White Radish, Japanese radish, Oriental radish, Chinese radish, lo bok and Mooli , is a mild flavoured, very large, white East Asian radish...

 popular in Tokyo

Tokyo

, ; officially , is one of the 47 prefectures of Japan. Tokyo is the capital of Japan, the center of the Greater Tokyo Area, and the largest metropolitan area of Japan. It is the seat of the Japanese government and the Imperial Palace, and the home of the Japanese Imperial Family...

, a sort of tsukemono

Tsukemono

are Japanese pickles. They are served with rice as okazu with drinks as an otsumami , as an accompaniment to or garnish for meals, and as a course in the kaiseki portion of a Japanese tea ceremony....

. It is made by pickling daikon with sugar

Sugar

Sugar is a class of edible crystalline carbohydrates, mainly sucrose, lactose, and fructose, characterized by a sweet flavor.Sucrose in its refined form primarily comes from sugar cane and sugar beet...

, salt

Salt

In chemistry, salts are ionic compounds that result from the neutralization reaction of an acid and a base. They are composed of cations and anions so that the product is electrically neutral...

, and sake without filtering koji

Aspergillus oryzae

Aspergillus oryzae is a filamentous fungus . It is used in Chinese and Japanese cuisine to ferment soybeans. It is also used to saccharify rice, other grains, and potatoes in the making of alcoholic beverages such as huangjiu, sake, and shōchū...

. The name bettarazuke is taken from the stickiness of koji leftover from the pickling process. Bettarazuke has a crisp sweet taste.

On the night of every October 19 in the area around Takarada Ebisu shrine, Bettara Ichi (literally, "bettara fair") is held to sell the year's freshly pickled bettarazuke.