Cooking Steps

1. 

   Step1:Preheat the oven 180 degrees. Break walnuts into small pieces. Bake them in the oven at 180 degrees for about 10 minutes. Take them out and cool them for use. Prepare 2 clean containers without oil and water. Add oil, milk, vanilla and egg yolk. Mix well.

2. 

   Step2:2. Add sifted flour and baking powder. Stir in one direction until no granules are found. This is a small bubble. It's not a particle.

3. 

   Step3:Another container. Protein gatta powder and salt.

4. 

   Step4:Add sugar three times. Beat the protein to slightly dry wet hair (solid but with certain fluidity

5. 

   Step5:Take one third of the egg white and egg yolk paste, cut and mix them evenly. Do not stir them in circles. They are easy to eliminate protein bubbles.

6. 

   Step6:Put the mixed egg yolk paste back into the remaining protein. Cut and mix evenl

7. 

   Step7:A piece of baking paper should be laid on the rectangular baking tray. All sides and bottom are required. The inner size of the baking tray I used is 235mmx335mmx35m

8. 

   Step8:Pour the cake batter into the baking tray, smooth it, and shake it slightly to eliminate the bubble

9. 

   Step9:Put it into the middle layer of the oven. Heat it up and down for 15 minutes. The temperature of each oven will be a little different. 1520 minutes is needed. The first time you bake, you can observe the cake through the glass of the oven door. When the expansion height exceeds the baking tray and appears brown, it is OK

10. 

    Step10:When the oven bell rings, you can take it out. Shake it on the table. Remove the puffed air from the cake

11. 

    Step11:Lay another sheet of baking paper on the surface, and turn the plate upside down to the tabl

12. 

    Step12:Remove the baking tra

13. 

    Step13:Remove the baking paper from the bottom of the previous tray. Wait until it cools down completel

14. 

    Step14:Butter and suga

15. 

    Step15:Electric egg beater. Beat until the color is white and puff

16. 

    Step16:Spread a thin layer of whipped butter, then spread evenly over the fully cooled walnut

17. 

    Step17:Slightly compact the walnuts to stick them on the thin butter. Then spread the remaining butter evenly over the walnuts

18. 

    Step18:It's rolling. Put a rolling pin under the short baking pape

19. 

    Step19:Lift the paper up and press it inwar

20. 

    Step20:Push the paper forward. While pushing, roll the paper in the rolling pin bit by bit

21. 

    Step21:Roll to en

22. 

    Step22:Release the rolling pi

23. 

    Step23:Wrap the extra paper tightly in the direction of the cake roll. Refrigerate for at least half an hour to finalize the shape. Take out the slice when eating

24. 

    Step24:Remember to put the refrigerator with the mouth closed down