Both can be...?

Purple potatoes cooked in water or steamed in water can be, its all suitable for purple potatoes cooking, you can according to their own needs and preferences to decide the cooking method. If the purple potatoes are boiled in water, the texture of the purple potatoes will not be so dry, relatively more moist, like this way of the crowd can choose to boil.

Purple potatoes are also very suitable for steam, steam is the most nutritional retention of purple potatoes, and steamed out of the purple potatoes will be more soft and sticky texture.

So the purple potatoes put water to boil and steam water is possible, but generally recommended the use of water to steam the way will be more nutritious, but mainly according to personal preference to decide.

Precautions for cooking purple potatoes?

Purple potatoes are not cleaned and thrown directly into the water to cook, it is not hygienic and safe, because it contains a lot of dust, soil, bacteria and other ingredients, it is easy to go through the steaming and cooking into the water, which slowly infiltrate into the purple potatoes.

So if you want to put purple potatoes in the water to cook directly, it must be the surface of the dust, soil, etc. are cleaned before cooking, so it will be more hygienic.