Cooking Steps

1. 

   Step1:Separate the egg yolk protein. Then pour sugar a into the egg yolk and stir evenly. If you can't see the sugar, just put it aside for us

2. 

   Step2:Pour the butter into the milk, put it in the pot, boil it and mix well. When the butter is mixed with the milk, it's OK

3. 

   Step3:Pour the mixed buttermilk into the egg yolk and mix wel

4. 

   Step4:Sift in the flour and mix. Stir until the flour is invisible. It will be glossy

5. 

   Step5:Beat the protein. When the protein has a rough bubble, add a few drops of lemon juice or white vinegar. Then add one third of the white sugar in sugar B. when the bubble disappears, add the second white sugar. When the protein has a pattern, add the last white sugar

6. 

   Step6:Stir it at low speed until it's dry foaming and not so shiny. At this time, you will feel slight resistance. When lifting the egg beater, the protein will show a sharp angle. Or when putting the chopsticks, it will not fall down

7. 

   Step7:Beat the egg whites and add a third to the mayonnaise. Stir well with a spatula like a stir fry. Then pour all the mayonnaise into the egg white and mix wel

8. 

   Step8:Mix well and pour into the mould. Shake it up for a few times. Shake off the bubble

9. 

   Step9:Preheat the oven at 150 ° and put it in the second to last layer. Bake for 50 minutes

10. 

    Step10:Take it out and shake it for a few times, then turn it upside down and put it on the baking net to cool