How to make small cup cake

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  1.First separate the egg whites and yolks

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  2.Mix egg yolks, sugar, oil, milk, and sifted flour

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  3.Add two drops of white vinegar to the egg whites, and add sugar in three batches to beat

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  4.Add one-third of the egg whites into the egg yolk paste and stir, then pour all of it into the remaining egg whites, stir, and pour into a paper cup

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  5.Preheat the oven for 5 minutes, then heat up and down at 200 degrees for 20 minutes

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  6.It may have been out of the oven for a long time and the surface is a bit burnt