First, beat the eggs in a clean bowl, then add sugar and vinegar.
2. Beat the egg mixture to twice the original size with electric egg beater Expressway, and then add salad oil bit by bit until the color becomes lighter, which is three times the original size.
Third, salad oil is invisible. Sift in flour and baking powder. After sifting in the flour, beat it with an egg beater at low speed for a few seconds. After the flour is mixed evenly, take it out immediately, so that the cake liquid will be ready.
4. Pour the cake liquid into the mold for 8 minutes, put it into the furnace and put it on the penultimate floor. Bake for 30 minutes and it will be out of the pot.