Materials:

3 eggs, 60g flour, 60g sugar, milk 10g, 4g baking powder (optional), salad oil 10g and 2-3 drops of white vinegar.

Exercise:

1, separate egg yolk from egg white, beat egg yolk evenly, add half sugar, and mix milk and salad oil evenly;

2. Mix the flour and baking powder, pour into the egg yolk liquid of the first method, and stir evenly again;

3. Add white vinegar to the egg white, and add the remaining half of sugar until the egg white bubbles, and when the egg white turns white and begins to swell, add the remaining sugar, and finally hit the chopsticks to stand in the egg white;

4. Mix the second and third methods, pay attention to stirring up and down with a shovel, and don't stir in one direction, so the cake will become stiff and not fluffy;

5. Take a vessel that can be heated in a microwave oven, dip the four walls with cooking oil, pour it into the fourth method, put it in the microwave oven for 6-7 minutes, and then remove the mold after cooling.