Production steps:

1. Check the egg whites first. Pots and eggs must be clean, oil-free and water-free, otherwise it will increase the difficulty of sending away.

2. Now beat the egg whites! First, add a spoonful of salt to the protein bowl, which is very helpful for delivering protein! Start beating ... until the egg white bubbles, which only takes 1 minute.

3. Now, you can add 1/3 of the prepared sugar to the egg white and continue stirring ... until the egg white bubbles evenly. The egg white is still watery at this time. This may take three minutes.

4. Add 1/2 remaining sugar, stir ... bring the protein white, and look carefully! At this time, protein can still see thin bubbles, but they have become semi-liquid. If it's angel cake or Qifeng cake, it's ok. At this time, it is called "wet bubble". Beat the egg and stir up the protein, and the protein will drip down. This will take about 4 minutes.