2. Mix egg yolk, 40g sugar, milk and a little cooking oil together and stir well; 3. Pour the dough mixed with flour and baking powder into the egg yolk mixture, and then stir it evenly; 4. Beat the egg whites with an egg beater or use chopsticks. After beating for a while, some bubbles appear, then add 40g of white sugar, and then continue to beat the foam of egg white until it is fine and fine. 5. Add the egg white into the egg yolk mixture for 2~3 times, and then add it after adding it once and stirring it evenly, and then know that it is completely added and stirred evenly; 6. Turn on the microwave oven, put oil all around the prepared container for making cakes, and then pour the completely mixed flour dough into the container; 7. Turn the power of the microwave oven to medium and high grade for about five minutes. If it's time to open it, you can put it in and heat it for another minute. 8. Take out the container with microwave gloves, and then buckle it upside down on the plate. Note: The above information is for reference only!