Polka Dot Cake Roll
1.
Add 20 grams of soft white sugar to the milk and mix well until it melts.
2.
Add corn oil and mix well.
3.
Add the separated four egg yolks and mix well.
4.
Sift the flour a second time and add in and mix well.
5.
The mixed egg yolk paste.
6.
Separate the protein in an oil- and water-free basin, and add cream of tartar.
7.
Add the remaining 60 grams of soft white sugar in three times and beat to nine to distribute.
8.
Take cocoa powder, add a little water and boil.
9.
Take 1 teaspoon of egg yolk paste, 1 spoon of half egg white paste and mix well and put it into a piping bag.
10.
Line the baking tray with greased paper. Squeeze the cocoa wave point. Bake in the oven at 175 degrees for 1 minute.
11.
Add one-third of the egg white paste to the egg yolk paste and mix well by cutting and mixing.
12.
Pour it back into the egg white bowl and mix well.
13.
Pour the mixed cake batter into the baking pan.
14.
Preheat the oven to 160 degrees and bake on the upper and lower fire for 20 minutes. Check the time on the cake.
15.
After baking, buckle upside down and tear off the greased paper.
16.
Spread the jam and cut a few knives on the cake surface.
17.
Roll up the cake with the help of a rolling pin. The greased paper is longer, so roll it up first.
18.
The rolled cake can be wrapped in grease paper and put in the refrigerator to shape.
Tips:
1. Be careful when sending the egg white paste, and don't make it hard. Pick up the whisk, which is in the shape of a small hook. It is not a straight triangle.
2. The temperature and time of the oven are subject to your own oven.