Cooked. Look at the yellow color is cooked. Blanch them in boiling water or sauté them in hot oil until they turn brown and are cooked through, then they are cooked.
The color of the cooked beans will look more attractive, with a slight yellowish tinge, and they will taste crispy and have a more flavorful texture, without the grassy taste.
Mainly through its appearance and taste to judge, general Dutch beans color is dark green, eat more taste, no hard texture and grass taste, it means that the Dutch beans have been fried, can be served out to eat.
ExpandedWhile the Dutch beans a nutritious ingredient, consumption of health is very beneficial, but the Dutch beans in the raw or uncooked state, will contain more saponin, hemoglobin and other natural toxic substances, and these substances will cause strong stimulation of the gastrointestinal effect of the human body, if you consume too much, may cause nausea, vomiting, abdominal pain, diarrhea, dizziness, panic, chest tightness, and so on. The symptoms of discomfort, so the Dutch beans must be completely fried, these toxic substances will be destroyed before consumption.
The time to cook Dutch beans is mainly related to the cooking method of Dutch beans, the number of Dutch beans and the size of the fire, so how long to cook Dutch beans, there is not a clear time.
Baidu Encyclopedia - Dutch Beans