Japanese pickling crocks (漬物容器) range from traditional ceramic containers with drop-in lids and a weight stone, to spring-loaded plastic presses. They are used for tsukemono (Japanese pickles): umeboshi, nukazuke, shiozuke, and asazuke.
Drop-lid and weight system
The otoshibuta (dropped lid) is a slightly smaller diameter lid placed directly on the food surface, weighted with a heavy stone. The weight forces excess liquid out of the food by osmosis, creating a brine. This is distinct from Western-style lacto-fermentation crocks.
Quick pickles vs long pickles
- Asazuke: 30 minutes to 2 hours; fresh and crisp; uses salt or miso directly
- Shiozuke: 1–3 days; salt-based brine; develops mild fermented tang
- Nukazuke: weeks to months; in rice bran beds; complex umami character