Chestnuts, water. Practice: 1, chestnuts into the pot, pour cool water, the amount of cool water is not more than chestnuts can be, open fire to cook. 2, cook to chestnuts cooked, turn off the fire, stew for a period of time, as the saying goes: "seven minutes cooked, three points to cover," this is the reason not only to save the fire, the food is stewed more soft and rotten. Now is the time to eat chestnuts, chestnut nutrition is very rich. This is the information I found: chestnut starch 51 ~ 60%, protein 5.7-10.7%, fat 2-7.4%, sugar, starch, crude fiber, carotene, vitamin A, B, B:, C and calcium, phosphorus, potassium and other minerals, can be absorbed by the human body and use of nutrients up to 98%. Calculated in ten grains, the fat content is less than 1 gram, is the lowest fat content in the shelled fruit. It is sweet and cold in nature, has the function of nourishing the stomach and spleen, tonifying the kidney and strong tendons. Eating chestnuts can benefit the blood, stomach, tonic kidney, liver and spleen; raw food and treatment of lumbar and leg pain, the efficacy of relaxation. Chestnuts are beneficial to assist in the treatment of kidney deficiency, so it is also known as the "fruit of the kidney". But chestnuts are difficult to digest raw, cooked and easy to stagnate, so, once should not eat more. It is best to take chestnuts as a snack between meals, or do in the meal to eat, rather than eat a lot of meals, so as not to consume too many calories, is not conducive to maintaining weight. Fresh chestnuts are prone to mold and deterioration, eating moldy chestnuts will cause poisoning, so, spoiled chestnuts can not eat.