You don't have to put water on it if you want to fry it dry! If you don't want it fried too dry. You can put some water in it, turn off the fire when it is about to boil, and then drain the water before frying. It looks full when cooked and fried. Don't boil the skin, Zou. The taste is different. Too much boiling water tastes a little pink, depending on your taste!