How to make square cake

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  1.Prepare the materials: flour, eggs, olay, milk, sugar, lemon,
  

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  2.First of all, the egg white and yolk must be separated.The basin containing the egg white must be oil-free and water-free.
  

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  3.Add corn oil, 20 grams of sugar, and milk to the egg yolks, and beat until emulsified.Status,

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  4.Sift in the low-gluten flour and stir evenly in a Z-shape.

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  5. Add a few drops of lemon juice or white vinegar to the egg whites, and use a whisk to beat until large bubbles Add white sugar for the first time, add white sugar for the second time when beating until fine foam, add white sugar for the third time when beating until fine lines appear, and then beat until it has small independent sharp corners.