1. Beat the eggs into the container, add fine sugar
2. Use an electric whisk to whisk until the whisk is lifted to draw the pattern and it will not disappear easily.
3. Sift the low-gluten flour, add it to the egg batter three times and stir until there are no particles
4. Add vegetable oil
5. Stir evenly
6. Grease butter in a microwave oven
7. Pour the cake batter into the container and close the lid
8. Put it in the microwave, high heat for 2 minutes, then turn to medium heat for 3 minutes
9. Pour out the cake after baking, ready to eat
