Egg whites want to beat into a cream, you need to prepare a clean container without water and oil, the egg whites and egg yolks separate, and then the egg whites beaten, be sure to beat in one direction, beat a layer of a small foam, and then put 5 grams of white vinegar, 15 grams of granulated sugar, with an automatic whisk, or hand whisk, start stirring, has been adjusted to the state of viscous, and then continued to put in 15 grams of sugar, and then continue to Stir, and keep beating until the egg white can stand up, just like the state of cream, so it is finished.