Asparagus is a green and healthy vegetable. Asparagus contains a lot of amino acids, vitamins, folic acid and other nutrients, and is rich in dietary fiber, which can help the human body digest and is a very nutritious substance. When making asparagus, we blanch the asparagus and add a proper amount of salt and cooking oil, so that the blanched asparagus will not change color and the color will be green. Blanch for about 30 seconds, and rinse with cold water, it will taste crisp and delicious.