Purple Sweet Potato Cake Roll
1.
The egg yolk is mixed with corn oil, milk, and powdered sugar.
2.
Stir until there are no particles.
3.
Sift the low flour and add it to the egg yolk, stir until there is no particles in the batter.
4.
Add a few drops of lemon to the egg whites.
5.
Stir at low speed for half a minute.
6.
Add the powdered sugar in three times, stir until neutral foaming, and the mixing head is turned into a small hook.
7.
Add the egg white paste to the egg yolk paste in two batches, and mix evenly from the bottom up, without making a circular motion.
8.
Finally, add the egg yolk paste to the egg white paste and mix evenly from the bottom up. Do not make a circular motion to avoid defoaming.
9.
Spread cake paper on the baking tray, pour the cake batter, and shake it lightly.
10.
Preheat the oven to 160 degrees. Bake for 25 minutes.
11.
Cool down and demould.
12.
Steam the purple sweet potato in advance, add yogurt, and mix well. You can use a blender to stir, so that the taste is delicate.
13.
As shown in the figure, the shape is perfect.
14.
Spread it on top of the cake.
15.
Roll up and refrigerate for half an hour.
16.
Cut into sections, finish, and start eating.
17.
Finished picture
18.
Finished picture.