It takes 2-3 minutes to boil spinach. Spinach has high nutritional value, fresh and tender, so it is not suitable for cooking for too long. Usually, it can be cooked in boiling water for about 2 to 3 minutes, which can not only remove oxalic acid from spinach, but also improve the taste, and also make the color of spinach look fresh and tender. There are many ways to cook spinach, which can be used to cook spinach porridge, noodles and fried vegetables. Spinach can promote intestinal peristalsis, is conducive to defecation and promote digestion, so try not to cook spinach for too long, otherwise the nutrients inside will be lost, and the effect that spinach should have will not be achieved. Boiled spinach is boiled spinach that can lose weight, that is, boiled spinach directly with boiled water, in which paper is put with a little salt and no oil. Spinach itself has a low calorie content, and contains a lot of vitamins and no fat. Boiled spinach is 1 grams per day. Less than 2 calories.