Boiling water chestnuts for about 20 minutes is sufficient.

1, water chestnuts are actually sweetest when eaten raw, and if cooked, about five minutes in a pressure cooker is enough. Steaming will take longer, at least half an hour or more.

2, cooked to fully cooked, cooked through, to color deep black, fingernail pinch no crunchy sound like raw, generally 10 minutes on high heat can be.

3, depends on how to eat, if you use it for dessert, you need to cook a little rotten, about 10-20 minutes; if you use it for stir-fry, wait for the other ingredients will be cooked and then add water chestnuts quickly stir-fry can be out of the pot.

Extended information

Growing environment

Water chestnut likes warm and humid, does not tolerate frost, often grows in shallow fields, water chestnut in the pre-growth period needs high temperature and long sunshine, such as sprouting temperature for 15-20 ℃, tillering planting optimal temperature for 25-30 ℃, and in the late growth period needs high temperature and long sunshine, such as sprouting temperature for 15-20 ℃, tillering planting optimal temperature for 25-30 ℃, and in the late growth period needs high temperature and long sunshine. -30℃, and in the late growth, shorten the light hours (less than 13 hours) can promote bulb formation, lower temperature (20-25℃) is also conducive to bulb expansion. The soil should be sandy loam or humus loam with a shallow soil layer and pH 6-7.

Baidu Encyclopedia - Water chestnut