Cooking Steps

1. 

   Step1:Separate the egg white and yolk in two pots (make sure there is no oil and water in the bowl

2. 

   Step2:Put the oil, salt, flour, baking powder, some sugar and milk into the yolk bowl and mix well (do not mix in circles. Mix up and down or cross well

3. 

   Step3:Beat the egg with the egg beater and add the sugar three times. Beat the egg until the protein can't be dropped

4. 

   Step4:Take one-third of the egg white and add it to the yolk solution. Mix it up and down or cross well (it can't eliminate bubbles in circles). Then take one-half of the egg white and add it to the yolk solution and mix well. Then put the yolk solution into the remaining egg white

5. 

   Step5:Preheat the electric pressure cooker and put in the bottom oil (the non stick coating in the pressure cooker must be present, or it will paste the cooker. After several experiments, it was proved that a new non stick liner was used successfully) for 15 minutes

6. 

   Step6:Don't leave the pot and turn it upside down immediately. You have to cool it for a while before you take it out and shape it. Otherwise, it will wilt.

7. 

   Step7:A good cake in a pressure cooke

8. 

   Step8:Beautifu