1. material

2. Beat the eggs into a waterless basin, suck the yolk out with a mineral water bottle, and simply separate the yolk from the egg white;

3. Put the self-raising flour in another pot and put the yolk in the flour;

4. Add a few drops of white vinegar and some white sugar to the egg white until it is semi-rigid, and then add white sugar to send it away;

5. Send it until the egg white is difficult to foam;

6. Add yogurt and milk to the flour and stir;

7. Stir the batter until there are no small particles;

8. After the batter is stirred, add some cooking oil and stir again;

9. Add the egg white into the batter twice, and stir it up and down evenly. Never stir in circles;

10. Mix the batter evenly as shown below;

1 1. Add a proper amount of cooking oil into the inner container of the electric pressure cooker and brush it on the bottom and four walls;

12. Pour the evenly stirred batter into the inner container and try to puncture the big bubbles;

13. Cover the high-pressure pot cover, select the "cake" function, and remember to open the exhaust valve;

14. After the time has passed, you can open the lid, take out the cake and buckle it upside down on the iron frame.